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Finding the Fourth Proportional to 80,198.52, 110,672.61 and 44,387.76

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Solution

The fourth proportional to 80,198.52, 110,672.61 and 44,387.76 is: 61,254.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,198.52 : 110,672.61 = 44,387.76 : x
  2. Step 2: Convert to fraction form
    80,198.52/110,672.61 = 44,387.76/x
  3. Step 3: Cross multiply
    80,198.52x = 110,672.61 × 44,387.76
  4. Step 4: Simplify right side
    80,198.52x = 4,912,509,251.25
  5. Step 5: Solve for x
    x = 4,912,509,251.25/80,198.52
  6. Step 6: Final answer
    x = 61,254.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.