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Finding the Fourth Proportional to 173,860.80, 260,791.20 and 80,366.55

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Solution

The fourth proportional to 173,860.80, 260,791.20 and 80,366.55 is: 120,549.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,860.80 : 260,791.20 = 80,366.55 : x
  2. Step 2: Convert to fraction form
    173,860.80/260,791.20 = 80,366.55/x
  3. Step 3: Cross multiply
    173,860.80x = 260,791.20 × 80,366.55
  4. Step 4: Simplify right side
    173,860.80x = 20,958,889,014.36
  5. Step 5: Solve for x
    x = 20,958,889,014.36/173,860.80
  6. Step 6: Final answer
    x = 120,549.83

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