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Finding the Fourth Proportional to 95.73, 131.39 and 93.03

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Solution

The fourth proportional to 95.73, 131.39 and 93.03 is: 127.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.73 : 131.39 = 93.03 : x
  2. Step 2: Convert to fraction form
    95.73/131.39 = 93.03/x
  3. Step 3: Cross multiply
    95.73x = 131.39 × 93.03
  4. Step 4: Simplify right side
    95.73x = 12,222.75
  5. Step 5: Solve for x
    x = 12,222.75/95.73
  6. Step 6: Final answer
    x = 127.68

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.