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Finding the Fourth Proportional to 107,912.20, 161,819.70 and 41,330.20

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Solution

The fourth proportional to 107,912.20, 161,819.70 and 41,330.20 is: 61,976.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,912.20 : 161,819.70 = 41,330.20 : x
  2. Step 2: Convert to fraction form
    107,912.20/161,819.70 = 41,330.20/x
  3. Step 3: Cross multiply
    107,912.20x = 161,819.70 × 41,330.20
  4. Step 4: Simplify right side
    107,912.20x = 6,688,040,564.94
  5. Step 5: Solve for x
    x = 6,688,040,564.94/107,912.20
  6. Step 6: Final answer
    x = 61,976.69

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