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Finding the Fourth Proportional to 95.55, 132.41 and 93.73

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Solution

The fourth proportional to 95.55, 132.41 and 93.73 is: 129.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.55 : 132.41 = 93.73 : x
  2. Step 2: Convert to fraction form
    95.55/132.41 = 93.73/x
  3. Step 3: Cross multiply
    95.55x = 132.41 × 93.73
  4. Step 4: Simplify right side
    95.55x = 12,410.79
  5. Step 5: Solve for x
    x = 12,410.79/95.55
  6. Step 6: Final answer
    x = 129.89

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.