Home / 87,140.26-120,253.62-49,414.51

Finding the Fourth Proportional to 87,140.26, 120,253.62 and 49,414.51

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Solution

The fourth proportional to 87,140.26, 120,253.62 and 49,414.51 is: 68,192.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,140.26 : 120,253.62 = 49,414.51 : x
  2. Step 2: Convert to fraction form
    87,140.26/120,253.62 = 49,414.51/x
  3. Step 3: Cross multiply
    87,140.26x = 120,253.62 × 49,414.51
  4. Step 4: Simplify right side
    87,140.26x = 5,942,273,708.03
  5. Step 5: Solve for x
    x = 5,942,273,708.03/87,140.26
  6. Step 6: Final answer
    x = 68,192.06

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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.