Home / 88,229.10-132,343.65-78,314.70

Finding the Fourth Proportional to 88,229.10, 132,343.65 and 78,314.70

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Solution

The fourth proportional to 88,229.10, 132,343.65 and 78,314.70 is: 117,472.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,229.10 : 132,343.65 = 78,314.70 : x
  2. Step 2: Convert to fraction form
    88,229.10/132,343.65 = 78,314.70/x
  3. Step 3: Cross multiply
    88,229.10x = 132,343.65 × 78,314.70
  4. Step 4: Simplify right side
    88,229.10x = 10,364,453,246.66
  5. Step 5: Solve for x
    x = 10,364,453,246.66/88,229.10
  6. Step 6: Final answer
    x = 117,472.05

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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.