Home / 126,628.68-174,738.36-70,041

Finding the Fourth Proportional to 126,628.68, 174,738.36 and 70,041

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Solution

The fourth proportional to 126,628.68, 174,738.36 and 70,041 is: 96,651.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,628.68 : 174,738.36 = 70,041 : x
  2. Step 2: Convert to fraction form
    126,628.68/174,738.36 = 70,041/x
  3. Step 3: Cross multiply
    126,628.68x = 174,738.36 × 70,041
  4. Step 4: Simplify right side
    126,628.68x = 12,238,849,472.76
  5. Step 5: Solve for x
    x = 12,238,849,472.76/126,628.68
  6. Step 6: Final answer
    x = 96,651.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.