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Finding the Fourth Proportional to 220,963.20, 331,104.60 and 164,538.60

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Solution

The fourth proportional to 220,963.20, 331,104.60 and 164,538.60 is: 246,554.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,963.20 : 331,104.60 = 164,538.60 : x
  2. Step 2: Convert to fraction form
    220,963.20/331,104.60 = 164,538.60/x
  3. Step 3: Cross multiply
    220,963.20x = 331,104.60 × 164,538.60
  4. Step 4: Simplify right side
    220,963.20x = 54,479,487,337.56
  5. Step 5: Solve for x
    x = 54,479,487,337.56/220,963.20
  6. Step 6: Final answer
    x = 246,554.57

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