Home / 126,742.20-190,103.40-33,245.52

Finding the Fourth Proportional to 126,742.20, 190,103.40 and 33,245.52

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Solution

The fourth proportional to 126,742.20, 190,103.40 and 33,245.52 is: 49,865.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,742.20 : 190,103.40 = 33,245.52 : x
  2. Step 2: Convert to fraction form
    126,742.20/190,103.40 = 33,245.52/x
  3. Step 3: Cross multiply
    126,742.20x = 190,103.40 × 33,245.52
  4. Step 4: Simplify right side
    126,742.20x = 6,320,086,386.77
  5. Step 5: Solve for x
    x = 6,320,086,386.77/126,742.20
  6. Step 6: Final answer
    x = 49,865.68

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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.