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Finding the Fourth Proportional to 198,510.22, 273,939.29 and 111,289.54

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Solution

The fourth proportional to 198,510.22, 273,939.29 and 111,289.54 is: 153,576.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,510.22 : 273,939.29 = 111,289.54 : x
  2. Step 2: Convert to fraction form
    198,510.22/273,939.29 = 111,289.54/x
  3. Step 3: Cross multiply
    198,510.22x = 273,939.29 × 111,289.54
  4. Step 4: Simplify right side
    198,510.22x = 30,486,577,572.03
  5. Step 5: Solve for x
    x = 30,486,577,572.03/198,510.22
  6. Step 6: Final answer
    x = 153,576.87

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