Home / 138,182.91-207,251.18-38,353.25

Finding the Fourth Proportional to 138,182.91, 207,251.18 and 38,353.25

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Solution

The fourth proportional to 138,182.91, 207,251.18 and 38,353.25 is: 57,523.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,182.91 : 207,251.18 = 38,353.25 : x
  2. Step 2: Convert to fraction form
    138,182.91/207,251.18 = 38,353.25/x
  3. Step 3: Cross multiply
    138,182.91x = 207,251.18 × 38,353.25
  4. Step 4: Simplify right side
    138,182.91x = 7,948,755,897.09
  5. Step 5: Solve for x
    x = 7,948,755,897.09/138,182.91
  6. Step 6: Final answer
    x = 57,523.44

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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.