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Finding the Fourth Proportional to 112,205.52, 168,147.90 and 82,389.42

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Solution

The fourth proportional to 112,205.52, 168,147.90 and 82,389.42 is: 123,466.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,205.52 : 168,147.90 = 82,389.42 : x
  2. Step 2: Convert to fraction form
    112,205.52/168,147.90 = 82,389.42/x
  3. Step 3: Cross multiply
    112,205.52x = 168,147.90 × 82,389.42
  4. Step 4: Simplify right side
    112,205.52x = 13,853,607,955.22
  5. Step 5: Solve for x
    x = 13,853,607,955.22/112,205.52
  6. Step 6: Final answer
    x = 123,466.37

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