Home / 100,278.78-150,323.94-33,672.18

Finding the Fourth Proportional to 100,278.78, 150,323.94 and 33,672.18

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Solution

The fourth proportional to 100,278.78, 150,323.94 and 33,672.18 is: 50,476.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,278.78 : 150,323.94 = 33,672.18 : x
  2. Step 2: Convert to fraction form
    100,278.78/150,323.94 = 33,672.18/x
  3. Step 3: Cross multiply
    100,278.78x = 150,323.94 × 33,672.18
  4. Step 4: Simplify right side
    100,278.78x = 5,061,734,765.99
  5. Step 5: Solve for x
    x = 5,061,734,765.99/100,278.78
  6. Step 6: Final answer
    x = 50,476.63

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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.