Home / 126,836.76-190,257-60,283.68

Finding the Fourth Proportional to 126,836.76, 190,257 and 60,283.68

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Solution

The fourth proportional to 126,836.76, 190,257 and 60,283.68 is: 90,426.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,836.76 : 190,257 = 60,283.68 : x
  2. Step 2: Convert to fraction form
    126,836.76/190,257 = 60,283.68/x
  3. Step 3: Cross multiply
    126,836.76x = 190,257 × 60,283.68
  4. Step 4: Simplify right side
    126,836.76x = 11,469,392,105.76
  5. Step 5: Solve for x
    x = 11,469,392,105.76/126,836.76
  6. Step 6: Final answer
    x = 90,426.40

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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.