Home / 126,401.67-189,555.99-51,481.13

Finding the Fourth Proportional to 126,401.67, 189,555.99 and 51,481.13

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Solution

The fourth proportional to 126,401.67, 189,555.99 and 51,481.13 is: 77,202.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,401.67 : 189,555.99 = 51,481.13 : x
  2. Step 2: Convert to fraction form
    126,401.67/189,555.99 = 51,481.13/x
  3. Step 3: Cross multiply
    126,401.67x = 189,555.99 × 51,481.13
  4. Step 4: Simplify right side
    126,401.67x = 9,758,556,563.47
  5. Step 5: Solve for x
    x = 9,758,556,563.47/126,401.67
  6. Step 6: Final answer
    x = 77,202.75

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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.