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Finding the Fourth Proportional to 136.62, 188.33 and 110.48

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Solution

The fourth proportional to 136.62, 188.33 and 110.48 is: 152.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    136.62 : 188.33 = 110.48 : x
  2. Step 2: Convert to fraction form
    136.62/188.33 = 110.48/x
  3. Step 3: Cross multiply
    136.62x = 188.33 × 110.48
  4. Step 4: Simplify right side
    136.62x = 20,805.20
  5. Step 5: Solve for x
    x = 20,805.20/136.62
  6. Step 6: Final answer
    x = 152.29

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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.