Home / 126,967.28-190,286.90-60,427.80

Finding the Fourth Proportional to 126,967.28, 190,286.90 and 60,427.80

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Solution

The fourth proportional to 126,967.28, 190,286.90 and 60,427.80 is: 90,563.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,967.28 : 190,286.90 = 60,427.80 : x
  2. Step 2: Convert to fraction form
    126,967.28/190,286.90 = 60,427.80/x
  3. Step 3: Cross multiply
    126,967.28x = 190,286.90 × 60,427.80
  4. Step 4: Simplify right side
    126,967.28x = 11,498,618,735.82
  5. Step 5: Solve for x
    x = 11,498,618,735.82/126,967.28
  6. Step 6: Final answer
    x = 90,563.64

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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.