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Finding the Fourth Proportional to 158,159.40, 237,117.60 and 79,330.20

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Solution

The fourth proportional to 158,159.40, 237,117.60 and 79,330.20 is: 118,934.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,159.40 : 237,117.60 = 79,330.20 : x
  2. Step 2: Convert to fraction form
    158,159.40/237,117.60 = 79,330.20/x
  3. Step 3: Cross multiply
    158,159.40x = 237,117.60 × 79,330.20
  4. Step 4: Simplify right side
    158,159.40x = 18,810,586,631.52
  5. Step 5: Solve for x
    x = 18,810,586,631.52/158,159.40
  6. Step 6: Final answer
    x = 118,934.36

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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.