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Finding the Fourth Proportional to 96.02, 143.76 and 82.52

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Solution

The fourth proportional to 96.02, 143.76 and 82.52 is: 123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.02 : 143.76 = 82.52 : x
  2. Step 2: Convert to fraction form
    96.02/143.76 = 82.52/x
  3. Step 3: Cross multiply
    96.02x = 143.76 × 82.52
  4. Step 4: Simplify right side
    96.02x = 11,863.08
  5. Step 5: Solve for x
    x = 11,863.08/96.02
  6. Step 6: Final answer
    x = 123.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.