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Finding the Fourth Proportional to 126.92, 175.06 and 110.30

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Solution

The fourth proportional to 126.92, 175.06 and 110.30 is: 152.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126.92 : 175.06 = 110.30 : x
  2. Step 2: Convert to fraction form
    126.92/175.06 = 110.30/x
  3. Step 3: Cross multiply
    126.92x = 175.06 × 110.30
  4. Step 4: Simplify right side
    126.92x = 19,308.38
  5. Step 5: Solve for x
    x = 19,308.38/126.92
  6. Step 6: Final answer
    x = 152.13

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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.