Home / 132,279.60-182,540.58-71,849

Finding the Fourth Proportional to 132,279.60, 182,540.58 and 71,849

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Solution

The fourth proportional to 132,279.60, 182,540.58 and 71,849 is: 99,148.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,279.60 : 182,540.58 = 71,849 : x
  2. Step 2: Convert to fraction form
    132,279.60/182,540.58 = 71,849/x
  3. Step 3: Cross multiply
    132,279.60x = 182,540.58 × 71,849
  4. Step 4: Simplify right side
    132,279.60x = 13,115,358,132.42
  5. Step 5: Solve for x
    x = 13,115,358,132.42/132,279.60
  6. Step 6: Final answer
    x = 99,148.76

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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.