Home / 199,520.84-275,338.40-108,876.89

Finding the Fourth Proportional to 199,520.84, 275,338.40 and 108,876.89

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Solution

The fourth proportional to 199,520.84, 275,338.40 and 108,876.89 is: 150,249.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,520.84 : 275,338.40 = 108,876.89 : x
  2. Step 2: Convert to fraction form
    199,520.84/275,338.40 = 108,876.89/x
  3. Step 3: Cross multiply
    199,520.84x = 275,338.40 × 108,876.89
  4. Step 4: Simplify right side
    199,520.84x = 29,977,988,833.54
  5. Step 5: Solve for x
    x = 29,977,988,833.54/199,520.84
  6. Step 6: Final answer
    x = 150,249.91

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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.