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Finding the Fourth Proportional to 132,536.80, 198,805.44 and 39,041.44

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Solution

The fourth proportional to 132,536.80, 198,805.44 and 39,041.44 is: 58,562.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,536.80 : 198,805.44 = 39,041.44 : x
  2. Step 2: Convert to fraction form
    132,536.80/198,805.44 = 39,041.44/x
  3. Step 3: Cross multiply
    132,536.80x = 198,805.44 × 39,041.44
  4. Step 4: Simplify right side
    132,536.80x = 7,761,650,657.43
  5. Step 5: Solve for x
    x = 7,761,650,657.43/132,536.80
  6. Step 6: Final answer
    x = 58,562.23

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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.