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Finding the Fourth Proportional to 108,710.20, 162,846.60 and 73,280.80

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Solution

The fourth proportional to 108,710.20, 162,846.60 and 73,280.80 is: 109,773.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,710.20 : 162,846.60 = 73,280.80 : x
  2. Step 2: Convert to fraction form
    108,710.20/162,846.60 = 73,280.80/x
  3. Step 3: Cross multiply
    108,710.20x = 162,846.60 × 73,280.80
  4. Step 4: Simplify right side
    108,710.20x = 11,933,529,125.28
  5. Step 5: Solve for x
    x = 11,933,529,125.28/108,710.20
  6. Step 6: Final answer
    x = 109,773.78

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