Home / 138,092.22-207,138.42-59,155.38

Finding the Fourth Proportional to 138,092.22, 207,138.42 and 59,155.38

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Solution

The fourth proportional to 138,092.22, 207,138.42 and 59,155.38 is: 88,733.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,092.22 : 207,138.42 = 59,155.38 : x
  2. Step 2: Convert to fraction form
    138,092.22/207,138.42 = 59,155.38/x
  3. Step 3: Cross multiply
    138,092.22x = 207,138.42 × 59,155.38
  4. Step 4: Simplify right side
    138,092.22x = 12,253,351,947.70
  5. Step 5: Solve for x
    x = 12,253,351,947.70/138,092.22
  6. Step 6: Final answer
    x = 88,733.11

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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.