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Finding the Fourth Proportional to 141.85, 195.68 and 92.07

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Solution

The fourth proportional to 141.85, 195.68 and 92.07 is: 127.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    141.85 : 195.68 = 92.07 : x
  2. Step 2: Convert to fraction form
    141.85/195.68 = 92.07/x
  3. Step 3: Cross multiply
    141.85x = 195.68 × 92.07
  4. Step 4: Simplify right side
    141.85x = 18,016.49
  5. Step 5: Solve for x
    x = 18,016.49/141.85
  6. Step 6: Final answer
    x = 127.01

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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.