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Finding the Fourth Proportional to 123,763.68, 170,789.31 and 67,173.84

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Solution

The fourth proportional to 123,763.68, 170,789.31 and 67,173.84 is: 92,697.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,763.68 : 170,789.31 = 67,173.84 : x
  2. Step 2: Convert to fraction form
    123,763.68/170,789.31 = 67,173.84/x
  3. Step 3: Cross multiply
    123,763.68x = 170,789.31 × 67,173.84
  4. Step 4: Simplify right side
    123,763.68x = 11,472,573,783.65
  5. Step 5: Solve for x
    x = 11,472,573,783.65/123,763.68
  6. Step 6: Final answer
    x = 92,697.42

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