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Finding the Fourth Proportional to 175,710.80, 263,566.20 and 80,940.80

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Solution

The fourth proportional to 175,710.80, 263,566.20 and 80,940.80 is: 121,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,710.80 : 263,566.20 = 80,940.80 : x
  2. Step 2: Convert to fraction form
    175,710.80/263,566.20 = 80,940.80/x
  3. Step 3: Cross multiply
    175,710.80x = 263,566.20 × 80,940.80
  4. Step 4: Simplify right side
    175,710.80x = 21,333,259,080.96
  5. Step 5: Solve for x
    x = 21,333,259,080.96/175,710.80
  6. Step 6: Final answer
    x = 121,411.20

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