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Finding the Fourth Proportional to 141.38, 195.06 and 94.11

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Solution

The fourth proportional to 141.38, 195.06 and 94.11 is: 129.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141.38 : 195.06 = 94.11 : x
  2. Step 2: Convert to fraction form
    141.38/195.06 = 94.11/x
  3. Step 3: Cross multiply
    141.38x = 195.06 × 94.11
  4. Step 4: Simplify right side
    141.38x = 18,357.10
  5. Step 5: Solve for x
    x = 18,357.10/141.38
  6. Step 6: Final answer
    x = 129.85

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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.