Home / 88,432.10-132,648.15-74,435.30

Finding the Fourth Proportional to 88,432.10, 132,648.15 and 74,435.30

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Solution

The fourth proportional to 88,432.10, 132,648.15 and 74,435.30 is: 111,652.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,432.10 : 132,648.15 = 74,435.30 : x
  2. Step 2: Convert to fraction form
    88,432.10/132,648.15 = 74,435.30/x
  3. Step 3: Cross multiply
    88,432.10x = 132,648.15 × 74,435.30
  4. Step 4: Simplify right side
    88,432.10x = 9,873,704,839.70
  5. Step 5: Solve for x
    x = 9,873,704,839.70/88,432.10
  6. Step 6: Final answer
    x = 111,652.95

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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.