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Finding the Fourth Proportional to 322,136.28, 483,203.97 and 135,147.78

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Solution

The fourth proportional to 322,136.28, 483,203.97 and 135,147.78 is: 202,721.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,136.28 : 483,203.97 = 135,147.78 : x
  2. Step 2: Convert to fraction form
    322,136.28/483,203.97 = 135,147.78/x
  3. Step 3: Cross multiply
    322,136.28x = 483,203.97 × 135,147.78
  4. Step 4: Simplify right side
    322,136.28x = 65,303,943,832.69
  5. Step 5: Solve for x
    x = 65,303,943,832.69/322,136.28
  6. Step 6: Final answer
    x = 202,721.48

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