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Finding the Fourth Proportional to 198,661.50, 274,152.87 and 109,237.50

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Solution

The fourth proportional to 198,661.50, 274,152.87 and 109,237.50 is: 150,747.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,661.50 : 274,152.87 = 109,237.50 : x
  2. Step 2: Convert to fraction form
    198,661.50/274,152.87 = 109,237.50/x
  3. Step 3: Cross multiply
    198,661.50x = 274,152.87 × 109,237.50
  4. Step 4: Simplify right side
    198,661.50x = 29,947,774,136.63
  5. Step 5: Solve for x
    x = 29,947,774,136.63/198,661.50
  6. Step 6: Final answer
    x = 150,747.75

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