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Finding the Fourth Proportional to 123,736.40, 185,604.60 and 92,243.60

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Solution

The fourth proportional to 123,736.40, 185,604.60 and 92,243.60 is: 138,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,736.40 : 185,604.60 = 92,243.60 : x
  2. Step 2: Convert to fraction form
    123,736.40/185,604.60 = 92,243.60/x
  3. Step 3: Cross multiply
    123,736.40x = 185,604.60 × 92,243.60
  4. Step 4: Simplify right side
    123,736.40x = 17,120,836,480.56
  5. Step 5: Solve for x
    x = 17,120,836,480.56/123,736.40
  6. Step 6: Final answer
    x = 138,365.40

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