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Finding the Fourth Proportional to 143,388.33, 197,871.82 and 79,724.97

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Solution

The fourth proportional to 143,388.33, 197,871.82 and 79,724.97 is: 110,018.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,388.33 : 197,871.82 = 79,724.97 : x
  2. Step 2: Convert to fraction form
    143,388.33/197,871.82 = 79,724.97/x
  3. Step 3: Cross multiply
    143,388.33x = 197,871.82 × 79,724.97
  4. Step 4: Simplify right side
    143,388.33x = 15,775,324,913.35
  5. Step 5: Solve for x
    x = 15,775,324,913.35/143,388.33
  6. Step 6: Final answer
    x = 110,018.19

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