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Finding the Fourth Proportional to 118,190.80, 177,415.80 and 73,867.60

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Solution

The fourth proportional to 118,190.80, 177,415.80 and 73,867.60 is: 110,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,190.80 : 177,415.80 = 73,867.60 : x
  2. Step 2: Convert to fraction form
    118,190.80/177,415.80 = 73,867.60/x
  3. Step 3: Cross multiply
    118,190.80x = 177,415.80 × 73,867.60
  4. Step 4: Simplify right side
    118,190.80x = 13,105,279,348.08
  5. Step 5: Solve for x
    x = 13,105,279,348.08/118,190.80
  6. Step 6: Final answer
    x = 110,882.40

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