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Finding the Fourth Proportional to 132.72, 197.46 and 125.04

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Solution

The fourth proportional to 132.72, 197.46 and 125.04 is: 186.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.72 : 197.46 = 125.04 : x
  2. Step 2: Convert to fraction form
    132.72/197.46 = 125.04/x
  3. Step 3: Cross multiply
    132.72x = 197.46 × 125.04
  4. Step 4: Simplify right side
    132.72x = 24,690.40
  5. Step 5: Solve for x
    x = 24,690.40/132.72
  6. Step 6: Final answer
    x = 186.03

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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.