Home / 200,250.45-300,545.78-82,006.65

Finding the Fourth Proportional to 200,250.45, 300,545.78 and 82,006.65

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Solution

The fourth proportional to 200,250.45, 300,545.78 and 82,006.65 is: 123,079.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,250.45 : 300,545.78 = 82,006.65 : x
  2. Step 2: Convert to fraction form
    200,250.45/300,545.78 = 82,006.65/x
  3. Step 3: Cross multiply
    200,250.45x = 300,545.78 × 82,006.65
  4. Step 4: Simplify right side
    200,250.45x = 24,646,752,179.40
  5. Step 5: Solve for x
    x = 24,646,752,179.40/200,250.45
  6. Step 6: Final answer
    x = 123,079.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.