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Finding the Fourth Proportional to 173,857.80, 260,786.70 and 80,363.55

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Solution

The fourth proportional to 173,857.80, 260,786.70 and 80,363.55 is: 120,545.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,857.80 : 260,786.70 = 80,363.55 : x
  2. Step 2: Convert to fraction form
    173,857.80/260,786.70 = 80,363.55/x
  3. Step 3: Cross multiply
    173,857.80x = 260,786.70 × 80,363.55
  4. Step 4: Simplify right side
    173,857.80x = 20,957,745,004.79
  5. Step 5: Solve for x
    x = 20,957,745,004.79/173,857.80
  6. Step 6: Final answer
    x = 120,545.33

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