Home / 100,330.32-150,507.94-32,839.20

Finding the Fourth Proportional to 100,330.32, 150,507.94 and 32,839.20

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Solution

The fourth proportional to 100,330.32, 150,507.94 and 32,839.20 is: 49,262.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,330.32 : 150,507.94 = 32,839.20 : x
  2. Step 2: Convert to fraction form
    100,330.32/150,507.94 = 32,839.20/x
  3. Step 3: Cross multiply
    100,330.32x = 150,507.94 × 32,839.20
  4. Step 4: Simplify right side
    100,330.32x = 4,942,560,343.25
  5. Step 5: Solve for x
    x = 4,942,560,343.25/100,330.32
  6. Step 6: Final answer
    x = 49,262.88

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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.