Home / 198,469.94-273,828.18-112,415.25

Finding the Fourth Proportional to 198,469.94, 273,828.18 and 112,415.25

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Solution

The fourth proportional to 198,469.94, 273,828.18 and 112,415.25 is: 155,098.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,469.94 : 273,828.18 = 112,415.25 : x
  2. Step 2: Convert to fraction form
    198,469.94/273,828.18 = 112,415.25/x
  3. Step 3: Cross multiply
    198,469.94x = 273,828.18 × 112,415.25
  4. Step 4: Simplify right side
    198,469.94x = 30,782,463,311.75
  5. Step 5: Solve for x
    x = 30,782,463,311.75/198,469.94
  6. Step 6: Final answer
    x = 155,098.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.