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Finding the Fourth Proportional to 173,866.80, 260,723.40 and 80,401.20

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Solution

The fourth proportional to 173,866.80, 260,723.40 and 80,401.20 is: 120,566.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,866.80 : 260,723.40 = 80,401.20 : x
  2. Step 2: Convert to fraction form
    173,866.80/260,723.40 = 80,401.20/x
  3. Step 3: Cross multiply
    173,866.80x = 260,723.40 × 80,401.20
  4. Step 4: Simplify right side
    173,866.80x = 20,962,474,228.08
  5. Step 5: Solve for x
    x = 20,962,474,228.08/173,866.80
  6. Step 6: Final answer
    x = 120,566.29

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