Home / 126,010.74-189,095.24-51,131.21

Finding the Fourth Proportional to 126,010.74, 189,095.24 and 51,131.21

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Solution

The fourth proportional to 126,010.74, 189,095.24 and 51,131.21 is: 76,728.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,010.74 : 189,095.24 = 51,131.21 : x
  2. Step 2: Convert to fraction form
    126,010.74/189,095.24 = 51,131.21/x
  3. Step 3: Cross multiply
    126,010.74x = 189,095.24 × 51,131.21
  4. Step 4: Simplify right side
    126,010.74x = 9,668,667,608.79
  5. Step 5: Solve for x
    x = 9,668,667,608.79/126,010.74
  6. Step 6: Final answer
    x = 76,728.91

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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.