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Finding the Fourth Proportional to 118,086.20, 177,129.30 and 48,015.80

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Solution

The fourth proportional to 118,086.20, 177,129.30 and 48,015.80 is: 72,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,086.20 : 177,129.30 = 48,015.80 : x
  2. Step 2: Convert to fraction form
    118,086.20/177,129.30 = 48,015.80/x
  3. Step 3: Cross multiply
    118,086.20x = 177,129.30 × 48,015.80
  4. Step 4: Simplify right side
    118,086.20x = 8,505,005,042.94
  5. Step 5: Solve for x
    x = 8,505,005,042.94/118,086.20
  6. Step 6: Final answer
    x = 72,023.70

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