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Finding the Fourth Proportional to 136.46, 187.08 and 134.03

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Solution

The fourth proportional to 136.46, 187.08 and 134.03 is: 183.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    136.46 : 187.08 = 134.03 : x
  2. Step 2: Convert to fraction form
    136.46/187.08 = 134.03/x
  3. Step 3: Cross multiply
    136.46x = 187.08 × 134.03
  4. Step 4: Simplify right side
    136.46x = 25,074.33
  5. Step 5: Solve for x
    x = 25,074.33/136.46
  6. Step 6: Final answer
    x = 183.75

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.