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Finding the Fourth Proportional to 220,974.80, 331,462.20 and 54,762.80

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Solution

The fourth proportional to 220,974.80, 331,462.20 and 54,762.80 is: 82,144.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,974.80 : 331,462.20 = 54,762.80 : x
  2. Step 2: Convert to fraction form
    220,974.80/331,462.20 = 54,762.80/x
  3. Step 3: Cross multiply
    220,974.80x = 331,462.20 × 54,762.80
  4. Step 4: Simplify right side
    220,974.80x = 18,151,798,166.16
  5. Step 5: Solve for x
    x = 18,151,798,166.16/220,974.80
  6. Step 6: Final answer
    x = 82,144.20

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