Home / 126,698.28-189,991.26-67,522.92

Finding the Fourth Proportional to 126,698.28, 189,991.26 and 67,522.92

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Solution

The fourth proportional to 126,698.28, 189,991.26 and 67,522.92 is: 101,254.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,698.28 : 189,991.26 = 67,522.92 : x
  2. Step 2: Convert to fraction form
    126,698.28/189,991.26 = 67,522.92/x
  3. Step 3: Cross multiply
    126,698.28x = 189,991.26 × 67,522.92
  4. Step 4: Simplify right side
    126,698.28x = 12,828,764,649.68
  5. Step 5: Solve for x
    x = 12,828,764,649.68/126,698.28
  6. Step 6: Final answer
    x = 101,254.45

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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.