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Finding the Fourth Proportional to 124.72, 186.27 and 104.44

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Solution

The fourth proportional to 124.72, 186.27 and 104.44 is: 155.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.72 : 186.27 = 104.44 : x
  2. Step 2: Convert to fraction form
    124.72/186.27 = 104.44/x
  3. Step 3: Cross multiply
    124.72x = 186.27 × 104.44
  4. Step 4: Simplify right side
    124.72x = 19,454.04
  5. Step 5: Solve for x
    x = 19,454.04/124.72
  6. Step 6: Final answer
    x = 155.98

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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.