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Finding the Fourth Proportional to 207,335.40, 311,003.10 and 67,194.60

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Solution

The fourth proportional to 207,335.40, 311,003.10 and 67,194.60 is: 100,791.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,335.40 : 311,003.10 = 67,194.60 : x
  2. Step 2: Convert to fraction form
    207,335.40/311,003.10 = 67,194.60/x
  3. Step 3: Cross multiply
    207,335.40x = 311,003.10 × 67,194.60
  4. Step 4: Simplify right side
    207,335.40x = 20,897,728,903.26
  5. Step 5: Solve for x
    x = 20,897,728,903.26/207,335.40
  6. Step 6: Final answer
    x = 100,791.90

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