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Finding the Fourth Proportional to 132.06, 181.57 and 116.54

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Solution

The fourth proportional to 132.06, 181.57 and 116.54 is: 160.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.06 : 181.57 = 116.54 : x
  2. Step 2: Convert to fraction form
    132.06/181.57 = 116.54/x
  3. Step 3: Cross multiply
    132.06x = 181.57 × 116.54
  4. Step 4: Simplify right side
    132.06x = 21,160.17
  5. Step 5: Solve for x
    x = 21,160.17/132.06
  6. Step 6: Final answer
    x = 160.23

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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.