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Finding the Fourth Proportional to 123,798.39, 170,843.84 and 67,209.75

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Solution

The fourth proportional to 123,798.39, 170,843.84 and 67,209.75 is: 92,750.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,798.39 : 170,843.84 = 67,209.75 : x
  2. Step 2: Convert to fraction form
    123,798.39/170,843.84 = 67,209.75/x
  3. Step 3: Cross multiply
    123,798.39x = 170,843.84 × 67,209.75
  4. Step 4: Simplify right side
    123,798.39x = 11,482,371,439.39
  5. Step 5: Solve for x
    x = 11,482,371,439.39/123,798.39
  6. Step 6: Final answer
    x = 92,750.57

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