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Finding the Fourth Proportional to 321,099.90, 481,650.99 and 107,861.73

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Solution

The fourth proportional to 321,099.90, 481,650.99 and 107,861.73 is: 161,792.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,099.90 : 481,650.99 = 107,861.73 : x
  2. Step 2: Convert to fraction form
    321,099.90/481,650.99 = 107,861.73/x
  3. Step 3: Cross multiply
    321,099.90x = 481,650.99 × 107,861.73
  4. Step 4: Simplify right side
    321,099.90x = 51,951,709,037.61
  5. Step 5: Solve for x
    x = 51,951,709,037.61/321,099.90
  6. Step 6: Final answer
    x = 161,792.98

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