Home / 126,764.89-174,884.28-73,021.12

Finding the Fourth Proportional to 126,764.89, 174,884.28 and 73,021.12

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Solution

The fourth proportional to 126,764.89, 174,884.28 and 73,021.12 is: 100,739.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,764.89 : 174,884.28 = 73,021.12 : x
  2. Step 2: Convert to fraction form
    126,764.89/174,884.28 = 73,021.12/x
  3. Step 3: Cross multiply
    126,764.89x = 174,884.28 × 73,021.12
  4. Step 4: Simplify right side
    126,764.89x = 12,770,245,995.99
  5. Step 5: Solve for x
    x = 12,770,245,995.99/126,764.89
  6. Step 6: Final answer
    x = 100,739.61

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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.