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Finding the Fourth Proportional to 132.08, 199.03 and 125.90

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Solution

The fourth proportional to 132.08, 199.03 and 125.90 is: 189.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.08 : 199.03 = 125.90 : x
  2. Step 2: Convert to fraction form
    132.08/199.03 = 125.90/x
  3. Step 3: Cross multiply
    132.08x = 199.03 × 125.90
  4. Step 4: Simplify right side
    132.08x = 25,057.88
  5. Step 5: Solve for x
    x = 25,057.88/132.08
  6. Step 6: Final answer
    x = 189.72

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.