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Finding the Fourth Proportional to 123.88, 184.52 and 119.32

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Solution

The fourth proportional to 123.88, 184.52 and 119.32 is: 177.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123.88 : 184.52 = 119.32 : x
  2. Step 2: Convert to fraction form
    123.88/184.52 = 119.32/x
  3. Step 3: Cross multiply
    123.88x = 184.52 × 119.32
  4. Step 4: Simplify right side
    123.88x = 22,016.93
  5. Step 5: Solve for x
    x = 22,016.93/123.88
  6. Step 6: Final answer
    x = 177.73

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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.