Home / 156,129.38-215,462.73-94,854.71

Finding the Fourth Proportional to 156,129.38, 215,462.73 and 94,854.71

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Solution

The fourth proportional to 156,129.38, 215,462.73 and 94,854.71 is: 130,902.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,129.38 : 215,462.73 = 94,854.71 : x
  2. Step 2: Convert to fraction form
    156,129.38/215,462.73 = 94,854.71/x
  3. Step 3: Cross multiply
    156,129.38x = 215,462.73 × 94,854.71
  4. Step 4: Simplify right side
    156,129.38x = 20,437,654,769.96
  5. Step 5: Solve for x
    x = 20,437,654,769.96/156,129.38
  6. Step 6: Final answer
    x = 130,902.04

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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.