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Finding the Fourth Proportional to 116.56, 160.97 and 93.55

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Solution

The fourth proportional to 116.56, 160.97 and 93.55 is: 129.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.56 : 160.97 = 93.55 : x
  2. Step 2: Convert to fraction form
    116.56/160.97 = 93.55/x
  3. Step 3: Cross multiply
    116.56x = 160.97 × 93.55
  4. Step 4: Simplify right side
    116.56x = 15,057.47
  5. Step 5: Solve for x
    x = 15,057.47/116.56
  6. Step 6: Final answer
    x = 129.19

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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.