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Finding the Fourth Proportional to 118,280.80, 177,469.80 and 43,436.80

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Solution

The fourth proportional to 118,280.80, 177,469.80 and 43,436.80 is: 65,173.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,280.80 : 177,469.80 = 43,436.80 : x
  2. Step 2: Convert to fraction form
    118,280.80/177,469.80 = 43,436.80/x
  3. Step 3: Cross multiply
    118,280.80x = 177,469.80 × 43,436.80
  4. Step 4: Simplify right side
    118,280.80x = 7,708,720,208.64
  5. Step 5: Solve for x
    x = 7,708,720,208.64/118,280.80
  6. Step 6: Final answer
    x = 65,173.05

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