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Finding the Fourth Proportional to 122.11, 183.17 and 49.97

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Solution

The fourth proportional to 122.11, 183.17 and 49.97 is: 74.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    122.11 : 183.17 = 49.97 : x
  2. Step 2: Convert to fraction form
    122.11/183.17 = 49.97/x
  3. Step 3: Cross multiply
    122.11x = 183.17 × 49.97
  4. Step 4: Simplify right side
    122.11x = 9,153.00
  5. Step 5: Solve for x
    x = 9,153.00/122.11
  6. Step 6: Final answer
    x = 74.96

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