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Finding the Fourth Proportional to 108,608.20, 162,912.30 and 55,464.10

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Solution

The fourth proportional to 108,608.20, 162,912.30 and 55,464.10 is: 83,196.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,608.20 : 162,912.30 = 55,464.10 : x
  2. Step 2: Convert to fraction form
    108,608.20/162,912.30 = 55,464.10/x
  3. Step 3: Cross multiply
    108,608.20x = 162,912.30 × 55,464.10
  4. Step 4: Simplify right side
    108,608.20x = 9,035,784,098.43
  5. Step 5: Solve for x
    x = 9,035,784,098.43/108,608.20
  6. Step 6: Final answer
    x = 83,196.15

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