Home / 88,590.09-132,753.85-72,906.57

Finding the Fourth Proportional to 88,590.09, 132,753.85 and 72,906.57

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Solution

The fourth proportional to 88,590.09, 132,753.85 and 72,906.57 is: 109,251.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,590.09 : 132,753.85 = 72,906.57 : x
  2. Step 2: Convert to fraction form
    88,590.09/132,753.85 = 72,906.57/x
  3. Step 3: Cross multiply
    88,590.09x = 132,753.85 × 72,906.57
  4. Step 4: Simplify right side
    88,590.09x = 9,678,627,857.79
  5. Step 5: Solve for x
    x = 9,678,627,857.79/88,590.09
  6. Step 6: Final answer
    x = 109,251.81

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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.