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Finding the Fourth Proportional to 132.34, 182.48 and 125.50

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Solution

The fourth proportional to 132.34, 182.48 and 125.50 is: 173.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.34 : 182.48 = 125.50 : x
  2. Step 2: Convert to fraction form
    132.34/182.48 = 125.50/x
  3. Step 3: Cross multiply
    132.34x = 182.48 × 125.50
  4. Step 4: Simplify right side
    132.34x = 22,901.24
  5. Step 5: Solve for x
    x = 22,901.24/132.34
  6. Step 6: Final answer
    x = 173.05

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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.