Home / 146,233.20-219,349.80-121,301.40

Finding the Fourth Proportional to 146,233.20, 219,349.80 and 121,301.40

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Solution

The fourth proportional to 146,233.20, 219,349.80 and 121,301.40 is: 181,952.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,233.20 : 219,349.80 = 121,301.40 : x
  2. Step 2: Convert to fraction form
    146,233.20/219,349.80 = 121,301.40/x
  3. Step 3: Cross multiply
    146,233.20x = 219,349.80 × 121,301.40
  4. Step 4: Simplify right side
    146,233.20x = 26,607,437,829.72
  5. Step 5: Solve for x
    x = 26,607,437,829.72/146,233.20
  6. Step 6: Final answer
    x = 181,952.10

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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.