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Finding the Fourth Proportional to 132,754.47, 199,057.88 and 43,959.53

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Solution

The fourth proportional to 132,754.47, 199,057.88 and 43,959.53 is: 65,914.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,754.47 : 199,057.88 = 43,959.53 : x
  2. Step 2: Convert to fraction form
    132,754.47/199,057.88 = 43,959.53/x
  3. Step 3: Cross multiply
    132,754.47x = 199,057.88 × 43,959.53
  4. Step 4: Simplify right side
    132,754.47x = 8,750,490,847.60
  5. Step 5: Solve for x
    x = 8,750,490,847.60/132,754.47
  6. Step 6: Final answer
    x = 65,914.85

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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.