Home / 88,458.10-132,687.15-84,375.70

Finding the Fourth Proportional to 88,458.10, 132,687.15 and 84,375.70

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Solution

The fourth proportional to 88,458.10, 132,687.15 and 84,375.70 is: 126,563.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,458.10 : 132,687.15 = 84,375.70 : x
  2. Step 2: Convert to fraction form
    88,458.10/132,687.15 = 84,375.70/x
  3. Step 3: Cross multiply
    88,458.10x = 132,687.15 × 84,375.70
  4. Step 4: Simplify right side
    88,458.10x = 11,195,571,162.26
  5. Step 5: Solve for x
    x = 11,195,571,162.26/88,458.10
  6. Step 6: Final answer
    x = 126,563.55

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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.