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Finding the Fourth Proportional to 177,712.80, 265,921.20 and 131,056.80

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Solution

The fourth proportional to 177,712.80, 265,921.20 and 131,056.80 is: 196,107.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,712.80 : 265,921.20 = 131,056.80 : x
  2. Step 2: Convert to fraction form
    177,712.80/265,921.20 = 131,056.80/x
  3. Step 3: Cross multiply
    177,712.80x = 265,921.20 × 131,056.80
  4. Step 4: Simplify right side
    177,712.80x = 34,850,781,524.16
  5. Step 5: Solve for x
    x = 34,850,781,524.16/177,712.80
  6. Step 6: Final answer
    x = 196,107.32

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