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Finding the Fourth Proportional to 134.98, 186.24 and 125.26

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Solution

The fourth proportional to 134.98, 186.24 and 125.26 is: 172.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.98 : 186.24 = 125.26 : x
  2. Step 2: Convert to fraction form
    134.98/186.24 = 125.26/x
  3. Step 3: Cross multiply
    134.98x = 186.24 × 125.26
  4. Step 4: Simplify right side
    134.98x = 23,328.42
  5. Step 5: Solve for x
    x = 23,328.42/134.98
  6. Step 6: Final answer
    x = 172.83

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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.