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Finding the Fourth Proportional to 132.63, 182.84 and 110.76

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Solution

The fourth proportional to 132.63, 182.84 and 110.76 is: 152.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.63 : 182.84 = 110.76 : x
  2. Step 2: Convert to fraction form
    132.63/182.84 = 110.76/x
  3. Step 3: Cross multiply
    132.63x = 182.84 × 110.76
  4. Step 4: Simplify right side
    132.63x = 20,251.36
  5. Step 5: Solve for x
    x = 20,251.36/132.63
  6. Step 6: Final answer
    x = 152.69

Related Problems

Find fourth proportional to 66.32, 91.42 and 55.38
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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.