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Finding the Fourth Proportional to 112.03, 167.78 and 63.79

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Solution

The fourth proportional to 112.03, 167.78 and 63.79 is: 95.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112.03 : 167.78 = 63.79 : x
  2. Step 2: Convert to fraction form
    112.03/167.78 = 63.79/x
  3. Step 3: Cross multiply
    112.03x = 167.78 × 63.79
  4. Step 4: Simplify right side
    112.03x = 10,702.37
  5. Step 5: Solve for x
    x = 10,702.37/112.03
  6. Step 6: Final answer
    x = 95.53

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