Home / 158,092,143.60-237,138,215.40-131,218,287.60

Finding the Fourth Proportional to 158,092,143.60, 237,138,215.40 and 131,218,287.60

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Solution

The fourth proportional to 158,092,143.60, 237,138,215.40 and 131,218,287.60 is: 196,827,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,092,143.60 : 237,138,215.40 = 131,218,287.60 : x
  2. Step 2: Convert to fraction form
    158,092,143.60/237,138,215.40 = 131,218,287.60/x
  3. Step 3: Cross multiply
    158,092,143.60x = 237,138,215.40 × 131,218,287.60
  4. Step 4: Simplify right side
    158,092,143.60x = 31,116,870,549,307,948
  5. Step 5: Solve for x
    x = 31,116,870,549,307,948/158,092,143.60
  6. Step 6: Final answer
    x = 196,827,431.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.