Home / 199,919.92-275,896.92-109,281.98

Finding the Fourth Proportional to 199,919.92, 275,896.92 and 109,281.98

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Solution

The fourth proportional to 199,919.92, 275,896.92 and 109,281.98 is: 150,813.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,919.92 : 275,896.92 = 109,281.98 : x
  2. Step 2: Convert to fraction form
    199,919.92/275,896.92 = 109,281.98/x
  3. Step 3: Cross multiply
    199,919.92x = 275,896.92 × 109,281.98
  4. Step 4: Simplify right side
    199,919.92x = 30,150,561,693.50
  5. Step 5: Solve for x
    x = 30,150,561,693.50/199,919.92
  6. Step 6: Final answer
    x = 150,813.19

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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.