Home / 199,557.72-275,395.32-108,919.44

Finding the Fourth Proportional to 199,557.72, 275,395.32 and 108,919.44

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Solution

The fourth proportional to 199,557.72, 275,395.32 and 108,919.44 is: 150,311.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,557.72 : 275,395.32 = 108,919.44 : x
  2. Step 2: Convert to fraction form
    199,557.72/275,395.32 = 108,919.44/x
  3. Step 3: Cross multiply
    199,557.72x = 275,395.32 × 108,919.44
  4. Step 4: Simplify right side
    199,557.72x = 29,995,904,033.02
  5. Step 5: Solve for x
    x = 29,995,904,033.02/199,557.72
  6. Step 6: Final answer
    x = 150,311.92

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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.