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Finding the Fourth Proportional to 108,735.20, 162,884.10 and 73,305.80

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Solution

The fourth proportional to 108,735.20, 162,884.10 and 73,305.80 is: 109,811.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,735.20 : 162,884.10 = 73,305.80 : x
  2. Step 2: Convert to fraction form
    108,735.20/162,884.10 = 73,305.80/x
  3. Step 3: Cross multiply
    108,735.20x = 162,884.10 × 73,305.80
  4. Step 4: Simplify right side
    108,735.20x = 11,940,349,257.78
  5. Step 5: Solve for x
    x = 11,940,349,257.78/108,735.20
  6. Step 6: Final answer
    x = 109,811.26

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