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Finding the Fourth Proportional to 108,766.20, 162,930.60 and 73,336.80

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Solution

The fourth proportional to 108,766.20, 162,930.60 and 73,336.80 is: 109,857.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,766.20 : 162,930.60 = 73,336.80 : x
  2. Step 2: Convert to fraction form
    108,766.20/162,930.60 = 73,336.80/x
  3. Step 3: Cross multiply
    108,766.20x = 162,930.60 × 73,336.80
  4. Step 4: Simplify right side
    108,766.20x = 11,948,808,826.08
  5. Step 5: Solve for x
    x = 11,948,808,826.08/108,766.20
  6. Step 6: Final answer
    x = 109,857.74

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