Home / 132,220.38-198,344.68-42,231.66

Finding the Fourth Proportional to 132,220.38, 198,344.68 and 42,231.66

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Solution

The fourth proportional to 132,220.38, 198,344.68 and 42,231.66 is: 63,352.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,220.38 : 198,344.68 = 42,231.66 : x
  2. Step 2: Convert to fraction form
    132,220.38/198,344.68 = 42,231.66/x
  3. Step 3: Cross multiply
    132,220.38x = 198,344.68 × 42,231.66
  4. Step 4: Simplify right side
    132,220.38x = 8,376,425,088.57
  5. Step 5: Solve for x
    x = 8,376,425,088.57/132,220.38
  6. Step 6: Final answer
    x = 63,352.00

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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.