Home / 67,234.20-100,851.30-30,370.20

Finding the Fourth Proportional to 67,234.20, 100,851.30 and 30,370.20

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Solution

The fourth proportional to 67,234.20, 100,851.30 and 30,370.20 is: 45,555.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,234.20 : 100,851.30 = 30,370.20 : x
  2. Step 2: Convert to fraction form
    67,234.20/100,851.30 = 30,370.20/x
  3. Step 3: Cross multiply
    67,234.20x = 100,851.30 × 30,370.20
  4. Step 4: Simplify right side
    67,234.20x = 3,062,874,151.26
  5. Step 5: Solve for x
    x = 3,062,874,151.26/67,234.20
  6. Step 6: Final answer
    x = 45,555.30

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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.