Home / 138,500.15-207,569.66-62,542.13

Finding the Fourth Proportional to 138,500.15, 207,569.66 and 62,542.13

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Solution

The fourth proportional to 138,500.15, 207,569.66 and 62,542.13 is: 93,731.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,500.15 : 207,569.66 = 62,542.13 : x
  2. Step 2: Convert to fraction form
    138,500.15/207,569.66 = 62,542.13/x
  3. Step 3: Cross multiply
    138,500.15x = 207,569.66 × 62,542.13
  4. Step 4: Simplify right side
    138,500.15x = 12,981,847,309.22
  5. Step 5: Solve for x
    x = 12,981,847,309.22/138,500.15
  6. Step 6: Final answer
    x = 93,731.65

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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.