Home / 126,012.44-189,097.76-51,132.92

Finding the Fourth Proportional to 126,012.44, 189,097.76 and 51,132.92

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Solution

The fourth proportional to 126,012.44, 189,097.76 and 51,132.92 is: 76,731.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,012.44 : 189,097.76 = 51,132.92 : x
  2. Step 2: Convert to fraction form
    126,012.44/189,097.76 = 51,132.92/x
  3. Step 3: Cross multiply
    126,012.44x = 189,097.76 × 51,132.92
  4. Step 4: Simplify right side
    126,012.44x = 9,669,120,634.26
  5. Step 5: Solve for x
    x = 9,669,120,634.26/126,012.44
  6. Step 6: Final answer
    x = 76,731.48

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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.