Home / 218,517.20-327,545.40-124,821.20

Finding the Fourth Proportional to 218,517.20, 327,545.40 and 124,821.20

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Solution

The fourth proportional to 218,517.20, 327,545.40 and 124,821.20 is: 187,100.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,517.20 : 327,545.40 = 124,821.20 : x
  2. Step 2: Convert to fraction form
    218,517.20/327,545.40 = 124,821.20/x
  3. Step 3: Cross multiply
    218,517.20x = 327,545.40 × 124,821.20
  4. Step 4: Simplify right side
    218,517.20x = 40,884,609,882.48
  5. Step 5: Solve for x
    x = 40,884,609,882.48/218,517.20
  6. Step 6: Final answer
    x = 187,100.19

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1.5x scale

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.