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Finding the Fourth Proportional to 173,842.80, 260,687.40 and 80,377.20

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Solution

The fourth proportional to 173,842.80, 260,687.40 and 80,377.20 is: 120,530.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,842.80 : 260,687.40 = 80,377.20 : x
  2. Step 2: Convert to fraction form
    173,842.80/260,687.40 = 80,377.20/x
  3. Step 3: Cross multiply
    173,842.80x = 260,687.40 × 80,377.20
  4. Step 4: Simplify right side
    173,842.80x = 20,953,323,287.28
  5. Step 5: Solve for x
    x = 20,953,323,287.28/173,842.80
  6. Step 6: Final answer
    x = 120,530.29

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