Home / 132,306.30-182,581.96-71,876.46

Finding the Fourth Proportional to 132,306.30, 182,581.96 and 71,876.46

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Solution

The fourth proportional to 132,306.30, 182,581.96 and 71,876.46 is: 99,189.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,306.30 : 182,581.96 = 71,876.46 : x
  2. Step 2: Convert to fraction form
    132,306.30/182,581.96 = 71,876.46/x
  3. Step 3: Cross multiply
    132,306.30x = 182,581.96 × 71,876.46
  4. Step 4: Simplify right side
    132,306.30x = 13,123,344,944.66
  5. Step 5: Solve for x
    x = 13,123,344,944.66/132,306.30
  6. Step 6: Final answer
    x = 99,189.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.