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Finding the Fourth Proportional to 108,034.80, 161,994.60 and 45,634.80

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Solution

The fourth proportional to 108,034.80, 161,994.60 and 45,634.80 is: 68,427.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,034.80 : 161,994.60 = 45,634.80 : x
  2. Step 2: Convert to fraction form
    108,034.80/161,994.60 = 45,634.80/x
  3. Step 3: Cross multiply
    108,034.80x = 161,994.60 × 45,634.80
  4. Step 4: Simplify right side
    108,034.80x = 7,392,591,172.08
  5. Step 5: Solve for x
    x = 7,392,591,172.08/108,034.80
  6. Step 6: Final answer
    x = 68,427.87

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