Home / 87,097.68-120,192.48-49,371.84

Finding the Fourth Proportional to 87,097.68, 120,192.48 and 49,371.84

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Solution

The fourth proportional to 87,097.68, 120,192.48 and 49,371.84 is: 68,131.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,097.68 : 120,192.48 = 49,371.84 : x
  2. Step 2: Convert to fraction form
    87,097.68/120,192.48 = 49,371.84/x
  3. Step 3: Cross multiply
    87,097.68x = 120,192.48 × 49,371.84
  4. Step 4: Simplify right side
    87,097.68x = 5,934,123,891.76
  5. Step 5: Solve for x
    x = 5,934,123,891.76/87,097.68
  6. Step 6: Final answer
    x = 68,131.83

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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.