Home / 100,245.51-150,401.83-32,780.65

Finding the Fourth Proportional to 100,245.51, 150,401.83 and 32,780.65

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Solution

The fourth proportional to 100,245.51, 150,401.83 and 32,780.65 is: 49,181.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,245.51 : 150,401.83 = 32,780.65 : x
  2. Step 2: Convert to fraction form
    100,245.51/150,401.83 = 32,780.65/x
  3. Step 3: Cross multiply
    100,245.51x = 150,401.83 × 32,780.65
  4. Step 4: Simplify right side
    100,245.51x = 4,930,269,666.64
  5. Step 5: Solve for x
    x = 4,930,269,666.64/100,245.51
  6. Step 6: Final answer
    x = 49,181.95

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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.