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Finding the Fourth Proportional to 94.35, 141.43 and 60.13

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Solution

The fourth proportional to 94.35, 141.43 and 60.13 is: 90.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.35 : 141.43 = 60.13 : x
  2. Step 2: Convert to fraction form
    94.35/141.43 = 60.13/x
  3. Step 3: Cross multiply
    94.35x = 141.43 × 60.13
  4. Step 4: Simplify right side
    94.35x = 8,504.19
  5. Step 5: Solve for x
    x = 8,504.19/94.35
  6. Step 6: Final answer
    x = 90.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.