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Finding the Fourth Proportional to 118,125.80, 177,318.30 and 73,802.60

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Solution

The fourth proportional to 118,125.80, 177,318.30 and 73,802.60 is: 110,784.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,125.80 : 177,318.30 = 73,802.60 : x
  2. Step 2: Convert to fraction form
    118,125.80/177,318.30 = 73,802.60/x
  3. Step 3: Cross multiply
    118,125.80x = 177,318.30 × 73,802.60
  4. Step 4: Simplify right side
    118,125.80x = 13,086,551,567.58
  5. Step 5: Solve for x
    x = 13,086,551,567.58/118,125.80
  6. Step 6: Final answer
    x = 110,784.87

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