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Finding the Fourth Proportional to 108,549.20, 162,823.80 and 73,119.80

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Solution

The fourth proportional to 108,549.20, 162,823.80 and 73,119.80 is: 109,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,549.20 : 162,823.80 = 73,119.80 : x
  2. Step 2: Convert to fraction form
    108,549.20/162,823.80 = 73,119.80/x
  3. Step 3: Cross multiply
    108,549.20x = 162,823.80 × 73,119.80
  4. Step 4: Simplify right side
    108,549.20x = 11,905,643,691.24
  5. Step 5: Solve for x
    x = 11,905,643,691.24/108,549.20
  6. Step 6: Final answer
    x = 109,679.70

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