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Finding the Fourth Proportional to 125.13, 186.77 and 110.52

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Solution

The fourth proportional to 125.13, 186.77 and 110.52 is: 164.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125.13 : 186.77 = 110.52 : x
  2. Step 2: Convert to fraction form
    125.13/186.77 = 110.52/x
  3. Step 3: Cross multiply
    125.13x = 186.77 × 110.52
  4. Step 4: Simplify right side
    125.13x = 20,642.76
  5. Step 5: Solve for x
    x = 20,642.76/125.13
  6. Step 6: Final answer
    x = 164.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.