Home / 215,067.92-296,761.24-123,172.92

Finding the Fourth Proportional to 215,067.92, 296,761.24 and 123,172.92

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Solution

The fourth proportional to 215,067.92, 296,761.24 and 123,172.92 is: 169,960.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,067.92 : 296,761.24 = 123,172.92 : x
  2. Step 2: Convert to fraction form
    215,067.92/296,761.24 = 123,172.92/x
  3. Step 3: Cross multiply
    215,067.92x = 296,761.24 × 123,172.92
  4. Step 4: Simplify right side
    215,067.92x = 36,552,948,473.62
  5. Step 5: Solve for x
    x = 36,552,948,473.62/215,067.92
  6. Step 6: Final answer
    x = 169,960.02

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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.