Home / 247,836.15-371,545.25-107,489.07

Finding the Fourth Proportional to 247,836.15, 371,545.25 and 107,489.07

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Solution

The fourth proportional to 247,836.15, 371,545.25 and 107,489.07 is: 161,142.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,836.15 : 371,545.25 = 107,489.07 : x
  2. Step 2: Convert to fraction form
    247,836.15/371,545.25 = 107,489.07/x
  3. Step 3: Cross multiply
    247,836.15x = 371,545.25 × 107,489.07
  4. Step 4: Simplify right side
    247,836.15x = 39,937,052,847.97
  5. Step 5: Solve for x
    x = 39,937,052,847.97/247,836.15
  6. Step 6: Final answer
    x = 161,142.97

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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.