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Finding the Fourth Proportional to 111.94, 167.89 and 34.92

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Solution

The fourth proportional to 111.94, 167.89 and 34.92 is: 52.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    111.94 : 167.89 = 34.92 : x
  2. Step 2: Convert to fraction form
    111.94/167.89 = 34.92/x
  3. Step 3: Cross multiply
    111.94x = 167.89 × 34.92
  4. Step 4: Simplify right side
    111.94x = 5,862.72
  5. Step 5: Solve for x
    x = 5,862.72/111.94
  6. Step 6: Final answer
    x = 52.37

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