Home / 132,229.20-198,355.12-42,284.76

Finding the Fourth Proportional to 132,229.20, 198,355.12 and 42,284.76

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Solution

The fourth proportional to 132,229.20, 198,355.12 and 42,284.76 is: 63,430.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,229.20 : 198,355.12 = 42,284.76 : x
  2. Step 2: Convert to fraction form
    132,229.20/198,355.12 = 42,284.76/x
  3. Step 3: Cross multiply
    132,229.20x = 198,355.12 × 42,284.76
  4. Step 4: Simplify right side
    132,229.20x = 8,387,398,643.97
  5. Step 5: Solve for x
    x = 8,387,398,643.97/132,229.20
  6. Step 6: Final answer
    x = 63,430.76

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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.