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Finding the Fourth Proportional to 125.04, 186.80 and 124.43

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Solution

The fourth proportional to 125.04, 186.80 and 124.43 is: 185.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125.04 : 186.80 = 124.43 : x
  2. Step 2: Convert to fraction form
    125.04/186.80 = 124.43/x
  3. Step 3: Cross multiply
    125.04x = 186.80 × 124.43
  4. Step 4: Simplify right side
    125.04x = 23,242.90
  5. Step 5: Solve for x
    x = 23,242.90/125.04
  6. Step 6: Final answer
    x = 185.88

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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.