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Finding the Fourth Proportional to 192,871.10, 289,166.53 and 80,583.44

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Solution

The fourth proportional to 192,871.10, 289,166.53 and 80,583.44 is: 120,816.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,871.10 : 289,166.53 = 80,583.44 : x
  2. Step 2: Convert to fraction form
    192,871.10/289,166.53 = 80,583.44/x
  3. Step 3: Cross multiply
    192,871.10x = 289,166.53 × 80,583.44
  4. Step 4: Simplify right side
    192,871.10x = 23,302,032,072.97
  5. Step 5: Solve for x
    x = 23,302,032,072.97/192,871.10
  6. Step 6: Final answer
    x = 120,816.61

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