Home / 209,136.28-313,833.22-82,755.22

Finding the Fourth Proportional to 209,136.28, 313,833.22 and 82,755.22

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Solution

The fourth proportional to 209,136.28, 313,833.22 and 82,755.22 is: 124,183.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,136.28 : 313,833.22 = 82,755.22 : x
  2. Step 2: Convert to fraction form
    209,136.28/313,833.22 = 82,755.22/x
  3. Step 3: Cross multiply
    209,136.28x = 313,833.22 × 82,755.22
  4. Step 4: Simplify right side
    209,136.28x = 25,971,337,164.41
  5. Step 5: Solve for x
    x = 25,971,337,164.41/209,136.28
  6. Step 6: Final answer
    x = 124,183.80

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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.