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Finding the Fourth Proportional to 123,996.80, 171,107.16 and 67,406.96

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Solution

The fourth proportional to 123,996.80, 171,107.16 and 67,406.96 is: 93,017.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,996.80 : 171,107.16 = 67,406.96 : x
  2. Step 2: Convert to fraction form
    123,996.80/171,107.16 = 67,406.96/x
  3. Step 3: Cross multiply
    123,996.80x = 171,107.16 × 67,406.96
  4. Step 4: Simplify right side
    123,996.80x = 11,533,813,489.83
  5. Step 5: Solve for x
    x = 11,533,813,489.83/123,996.80
  6. Step 6: Final answer
    x = 93,017.03

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