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Finding the Fourth Proportional to 80,174.76, 110,691.36 and 51,505.98

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Solution

The fourth proportional to 80,174.76, 110,691.36 and 51,505.98 is: 71,110.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,174.76 : 110,691.36 = 51,505.98 : x
  2. Step 2: Convert to fraction form
    80,174.76/110,691.36 = 51,505.98/x
  3. Step 3: Cross multiply
    80,174.76x = 110,691.36 × 51,505.98
  4. Step 4: Simplify right side
    80,174.76x = 5,701,266,974.33
  5. Step 5: Solve for x
    x = 5,701,266,974.33/80,174.76
  6. Step 6: Final answer
    x = 71,110.50

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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.