Home / 91,481.62-126,245.27-51,199.13

Finding the Fourth Proportional to 91,481.62, 126,245.27 and 51,199.13

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Solution

The fourth proportional to 91,481.62, 126,245.27 and 51,199.13 is: 70,655.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,481.62 : 126,245.27 = 51,199.13 : x
  2. Step 2: Convert to fraction form
    91,481.62/126,245.27 = 51,199.13/x
  3. Step 3: Cross multiply
    91,481.62x = 126,245.27 × 51,199.13
  4. Step 4: Simplify right side
    91,481.62x = 6,463,647,990.62
  5. Step 5: Solve for x
    x = 6,463,647,990.62/91,481.62
  6. Step 6: Final answer
    x = 70,655.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.