Home / 126,754.20-190,121.40-33,257.52

Finding the Fourth Proportional to 126,754.20, 190,121.40 and 33,257.52

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Solution

The fourth proportional to 126,754.20, 190,121.40 and 33,257.52 is: 49,883.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,754.20 : 190,121.40 = 33,257.52 : x
  2. Step 2: Convert to fraction form
    126,754.20/190,121.40 = 33,257.52/x
  3. Step 3: Cross multiply
    126,754.20x = 190,121.40 × 33,257.52
  4. Step 4: Simplify right side
    126,754.20x = 6,322,966,262.93
  5. Step 5: Solve for x
    x = 6,322,966,262.93/126,754.20
  6. Step 6: Final answer
    x = 49,883.68

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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.