Home / 156,116.90-215,446.54-95,675.87

Finding the Fourth Proportional to 156,116.90, 215,446.54 and 95,675.87

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Solution

The fourth proportional to 156,116.90, 215,446.54 and 95,675.87 is: 132,035.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,116.90 : 215,446.54 = 95,675.87 : x
  2. Step 2: Convert to fraction form
    156,116.90/215,446.54 = 95,675.87/x
  3. Step 3: Cross multiply
    156,116.90x = 215,446.54 × 95,675.87
  4. Step 4: Simplify right side
    156,116.90x = 20,613,034,419.92
  5. Step 5: Solve for x
    x = 20,613,034,419.92/156,116.90
  6. Step 6: Final answer
    x = 132,035.89

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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.