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Finding the Fourth Proportional to 132.02, 181.73 and 114.76

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Solution

The fourth proportional to 132.02, 181.73 and 114.76 is: 157.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.02 : 181.73 = 114.76 : x
  2. Step 2: Convert to fraction form
    132.02/181.73 = 114.76/x
  3. Step 3: Cross multiply
    132.02x = 181.73 × 114.76
  4. Step 4: Simplify right side
    132.02x = 20,855.33
  5. Step 5: Solve for x
    x = 20,855.33/132.02
  6. Step 6: Final answer
    x = 157.97

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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.