Home / 206,331.69-309,544.02-73,211.73

Finding the Fourth Proportional to 206,331.69, 309,544.02 and 73,211.73

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Solution

The fourth proportional to 206,331.69, 309,544.02 and 73,211.73 is: 109,834.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,331.69 : 309,544.02 = 73,211.73 : x
  2. Step 2: Convert to fraction form
    206,331.69/309,544.02 = 73,211.73/x
  3. Step 3: Cross multiply
    206,331.69x = 309,544.02 × 73,211.73
  4. Step 4: Simplify right side
    206,331.69x = 22,662,253,215.35
  5. Step 5: Solve for x
    x = 22,662,253,215.35/206,331.69
  6. Step 6: Final answer
    x = 109,834.09

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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.