Home / 199,913.24-275,870.94-109,273.88

Finding the Fourth Proportional to 199,913.24, 275,870.94 and 109,273.88

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Solution

The fourth proportional to 199,913.24, 275,870.94 and 109,273.88 is: 150,792.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,913.24 : 275,870.94 = 109,273.88 : x
  2. Step 2: Convert to fraction form
    199,913.24/275,870.94 = 109,273.88/x
  3. Step 3: Cross multiply
    199,913.24x = 275,870.94 × 109,273.88
  4. Step 4: Simplify right side
    199,913.24x = 30,145,487,993.05
  5. Step 5: Solve for x
    x = 30,145,487,993.05/199,913.24
  6. Step 6: Final answer
    x = 150,792.85

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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.