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Finding the Fourth Proportional to 123,939.51, 171,035.71 and 67,350.88

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Solution

The fourth proportional to 123,939.51, 171,035.71 and 67,350.88 is: 92,943.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,939.51 : 171,035.71 = 67,350.88 : x
  2. Step 2: Convert to fraction form
    123,939.51/171,035.71 = 67,350.88/x
  3. Step 3: Cross multiply
    123,939.51x = 171,035.71 × 67,350.88
  4. Step 4: Simplify right side
    123,939.51x = 11,519,405,579.92
  5. Step 5: Solve for x
    x = 11,519,405,579.92/123,939.51
  6. Step 6: Final answer
    x = 92,943.77

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