Home / 100,108.28-150,118.13-29,974.52

Finding the Fourth Proportional to 100,108.28, 150,118.13 and 29,974.52

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Solution

The fourth proportional to 100,108.28, 150,118.13 and 29,974.52 is: 44,948.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,108.28 : 150,118.13 = 29,974.52 : x
  2. Step 2: Convert to fraction form
    100,108.28/150,118.13 = 29,974.52/x
  3. Step 3: Cross multiply
    100,108.28x = 150,118.13 × 29,974.52
  4. Step 4: Simplify right side
    100,108.28x = 4,499,718,214.39
  5. Step 5: Solve for x
    x = 4,499,718,214.39/100,108.28
  6. Step 6: Final answer
    x = 44,948.51

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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.