Home / 100,212.82-150,340.76-29,136.69

Finding the Fourth Proportional to 100,212.82, 150,340.76 and 29,136.69

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Solution

The fourth proportional to 100,212.82, 150,340.76 and 29,136.69 is: 43,711.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,212.82 : 150,340.76 = 29,136.69 : x
  2. Step 2: Convert to fraction form
    100,212.82/150,340.76 = 29,136.69/x
  3. Step 3: Cross multiply
    100,212.82x = 150,340.76 × 29,136.69
  4. Step 4: Simplify right side
    100,212.82x = 4,380,431,659.23
  5. Step 5: Solve for x
    x = 4,380,431,659.23/100,212.82
  6. Step 6: Final answer
    x = 43,711.29

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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.