Home / 207,351.85-311,077.13-67,110.47

Finding the Fourth Proportional to 207,351.85, 311,077.13 and 67,110.47

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Solution

The fourth proportional to 207,351.85, 311,077.13 and 67,110.47 is: 100,681.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,351.85 : 311,077.13 = 67,110.47 : x
  2. Step 2: Convert to fraction form
    207,351.85/311,077.13 = 67,110.47/x
  3. Step 3: Cross multiply
    207,351.85x = 311,077.13 × 67,110.47
  4. Step 4: Simplify right side
    207,351.85x = 20,876,532,400.55
  5. Step 5: Solve for x
    x = 20,876,532,400.55/207,351.85
  6. Step 6: Final answer
    x = 100,681.68

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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.