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Finding the Fourth Proportional to 118,704.48, 177,933.64 and 74,229.12

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Solution

The fourth proportional to 118,704.48, 177,933.64 and 74,229.12 is: 111,266.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,704.48 : 177,933.64 = 74,229.12 : x
  2. Step 2: Convert to fraction form
    118,704.48/177,933.64 = 74,229.12/x
  3. Step 3: Cross multiply
    118,704.48x = 177,933.64 × 74,229.12
  4. Step 4: Simplify right side
    118,704.48x = 13,207,857,515.60
  5. Step 5: Solve for x
    x = 13,207,857,515.60/118,704.48
  6. Step 6: Final answer
    x = 111,266.71

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