Home / 88,168.20-132,270.59-40,113.91

Finding the Fourth Proportional to 88,168.20, 132,270.59 and 40,113.91

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Solution

The fourth proportional to 88,168.20, 132,270.59 and 40,113.91 is: 60,179.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,168.20 : 132,270.59 = 40,113.91 : x
  2. Step 2: Convert to fraction form
    88,168.20/132,270.59 = 40,113.91/x
  3. Step 3: Cross multiply
    88,168.20x = 132,270.59 × 40,113.91
  4. Step 4: Simplify right side
    88,168.20x = 5,305,890,542.91
  5. Step 5: Solve for x
    x = 5,305,890,542.91/88,168.20
  6. Step 6: Final answer
    x = 60,179.19

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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.