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Finding the Fourth Proportional to 192,452.68, 288,679.38 and 74,179.72

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Solution

The fourth proportional to 192,452.68, 288,679.38 and 74,179.72 is: 111,269.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,452.68 : 288,679.38 = 74,179.72 : x
  2. Step 2: Convert to fraction form
    192,452.68/288,679.38 = 74,179.72/x
  3. Step 3: Cross multiply
    192,452.68x = 288,679.38 × 74,179.72
  4. Step 4: Simplify right side
    192,452.68x = 21,414,155,578.17
  5. Step 5: Solve for x
    x = 21,414,155,578.17/192,452.68
  6. Step 6: Final answer
    x = 111,269.72

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