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Finding the Fourth Proportional to 123,540.25, 170,485.70 and 66,951.63

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Solution

The fourth proportional to 123,540.25, 170,485.70 and 66,951.63 is: 92,393.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,540.25 : 170,485.70 = 66,951.63 : x
  2. Step 2: Convert to fraction form
    123,540.25/170,485.70 = 66,951.63/x
  3. Step 3: Cross multiply
    123,540.25x = 170,485.70 × 66,951.63
  4. Step 4: Simplify right side
    123,540.25x = 11,414,295,506.69
  5. Step 5: Solve for x
    x = 11,414,295,506.69/123,540.25
  6. Step 6: Final answer
    x = 92,393.33

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