Home / 156,167.62-215,517.45-88,198.90

Finding the Fourth Proportional to 156,167.62, 215,517.45 and 88,198.90

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Solution

The fourth proportional to 156,167.62, 215,517.45 and 88,198.90 is: 121,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,167.62 : 215,517.45 = 88,198.90 : x
  2. Step 2: Convert to fraction form
    156,167.62/215,517.45 = 88,198.90/x
  3. Step 3: Cross multiply
    156,167.62x = 215,517.45 × 88,198.90
  4. Step 4: Simplify right side
    156,167.62x = 19,008,402,020.81
  5. Step 5: Solve for x
    x = 19,008,402,020.81/156,167.62
  6. Step 6: Final answer
    x = 121,717.95

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1.5x scale

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.