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Finding the Fourth Proportional to 111,920.80, 167,881.20 and 52,736.80

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Solution

The fourth proportional to 111,920.80, 167,881.20 and 52,736.80 is: 79,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,920.80 : 167,881.20 = 52,736.80 : x
  2. Step 2: Convert to fraction form
    111,920.80/167,881.20 = 52,736.80/x
  3. Step 3: Cross multiply
    111,920.80x = 167,881.20 × 52,736.80
  4. Step 4: Simplify right side
    111,920.80x = 8,853,517,268.16
  5. Step 5: Solve for x
    x = 8,853,517,268.16/111,920.80
  6. Step 6: Final answer
    x = 79,105.20

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