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Finding the Fourth Proportional to 198,622.17, 274,099.91 and 107,978.94

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Solution

The fourth proportional to 198,622.17, 274,099.91 and 107,978.94 is: 149,011.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,622.17 : 274,099.91 = 107,978.94 : x
  2. Step 2: Convert to fraction form
    198,622.17/274,099.91 = 107,978.94/x
  3. Step 3: Cross multiply
    198,622.17x = 274,099.91 × 107,978.94
  4. Step 4: Simplify right side
    198,622.17x = 29,597,017,196.00
  5. Step 5: Solve for x
    x = 29,597,017,196.00/198,622.17
  6. Step 6: Final answer
    x = 149,011.65

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