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Finding the Fourth Proportional to 167,591.80, 251,469.60 and 78,854.08

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Solution

The fourth proportional to 167,591.80, 251,469.60 and 78,854.08 is: 118,319.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,591.80 : 251,469.60 = 78,854.08 : x
  2. Step 2: Convert to fraction form
    167,591.80/251,469.60 = 78,854.08/x
  3. Step 3: Cross multiply
    167,591.80x = 251,469.60 × 78,854.08
  4. Step 4: Simplify right side
    167,591.80x = 19,829,403,955.97
  5. Step 5: Solve for x
    x = 19,829,403,955.97/167,591.80
  6. Step 6: Final answer
    x = 118,319.65

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