Home / 100,375.16-150,585.01-30,249.41

Finding the Fourth Proportional to 100,375.16, 150,585.01 and 30,249.41

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Solution

The fourth proportional to 100,375.16, 150,585.01 and 30,249.41 is: 45,380.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,375.16 : 150,585.01 = 30,249.41 : x
  2. Step 2: Convert to fraction form
    100,375.16/150,585.01 = 30,249.41/x
  3. Step 3: Cross multiply
    100,375.16x = 150,585.01 × 30,249.41
  4. Step 4: Simplify right side
    100,375.16x = 4,555,106,878.80
  5. Step 5: Solve for x
    x = 4,555,106,878.80/100,375.16
  6. Step 6: Final answer
    x = 45,380.82

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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.