Home / 200,431.20-276,595.13-109,788.65

Finding the Fourth Proportional to 200,431.20, 276,595.13 and 109,788.65

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Solution

The fourth proportional to 200,431.20, 276,595.13 and 109,788.65 is: 151,508.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,431.20 : 276,595.13 = 109,788.65 : x
  2. Step 2: Convert to fraction form
    200,431.20/276,595.13 = 109,788.65/x
  3. Step 3: Cross multiply
    200,431.20x = 276,595.13 × 109,788.65
  4. Step 4: Simplify right side
    200,431.20x = 30,367,006,706.11
  5. Step 5: Solve for x
    x = 30,367,006,706.11/200,431.20
  6. Step 6: Final answer
    x = 151,508.38

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1.5x scale

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.