Home / 132,334.20-198,501.30-82,251.90

Finding the Fourth Proportional to 132,334.20, 198,501.30 and 82,251.90

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Solution

The fourth proportional to 132,334.20, 198,501.30 and 82,251.90 is: 123,377.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,334.20 : 198,501.30 = 82,251.90 : x
  2. Step 2: Convert to fraction form
    132,334.20/198,501.30 = 82,251.90/x
  3. Step 3: Cross multiply
    132,334.20x = 198,501.30 × 82,251.90
  4. Step 4: Simplify right side
    132,334.20x = 16,327,109,077.47
  5. Step 5: Solve for x
    x = 16,327,109,077.47/132,334.20
  6. Step 6: Final answer
    x = 123,377.85

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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.