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Finding the Fourth Proportional to 192,823.80, 289,114.20 and 80,582.10

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Solution

The fourth proportional to 192,823.80, 289,114.20 and 80,582.10 is: 120,822.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,823.80 : 289,114.20 = 80,582.10 : x
  2. Step 2: Convert to fraction form
    192,823.80/289,114.20 = 80,582.10/x
  3. Step 3: Cross multiply
    192,823.80x = 289,114.20 × 80,582.10
  4. Step 4: Simplify right side
    192,823.80x = 23,297,429,375.82
  5. Step 5: Solve for x
    x = 23,297,429,375.82/192,823.80
  6. Step 6: Final answer
    x = 120,822.37

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