Home / 138,284.20-207,474.90-59,403.16

Finding the Fourth Proportional to 138,284.20, 207,474.90 and 59,403.16

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Solution

The fourth proportional to 138,284.20, 207,474.90 and 59,403.16 is: 89,125.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,284.20 : 207,474.90 = 59,403.16 : x
  2. Step 2: Convert to fraction form
    138,284.20/207,474.90 = 59,403.16/x
  3. Step 3: Cross multiply
    138,284.20x = 207,474.90 × 59,403.16
  4. Step 4: Simplify right side
    138,284.20x = 12,324,664,680.68
  5. Step 5: Solve for x
    x = 12,324,664,680.68/138,284.20
  6. Step 6: Final answer
    x = 89,125.62

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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.