Home / 252,600.38-378,701.94-126,175.40

Finding the Fourth Proportional to 252,600.38, 378,701.94 and 126,175.40

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Solution

The fourth proportional to 252,600.38, 378,701.94 and 126,175.40 is: 189,163.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,600.38 : 378,701.94 = 126,175.40 : x
  2. Step 2: Convert to fraction form
    252,600.38/378,701.94 = 126,175.40/x
  3. Step 3: Cross multiply
    252,600.38x = 378,701.94 × 126,175.40
  4. Step 4: Simplify right side
    252,600.38x = 47,782,868,760.28
  5. Step 5: Solve for x
    x = 47,782,868,760.28/252,600.38
  6. Step 6: Final answer
    x = 189,163.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.