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Finding the Fourth Proportional to 175,621.80, 263,432.70 and 80,851.80

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Solution

The fourth proportional to 175,621.80, 263,432.70 and 80,851.80 is: 121,277.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,621.80 : 263,432.70 = 80,851.80 : x
  2. Step 2: Convert to fraction form
    175,621.80/263,432.70 = 80,851.80/x
  3. Step 3: Cross multiply
    175,621.80x = 263,432.70 × 80,851.80
  4. Step 4: Simplify right side
    175,621.80x = 21,299,007,973.86
  5. Step 5: Solve for x
    x = 21,299,007,973.86/175,621.80
  6. Step 6: Final answer
    x = 121,277.70

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