Home / 126,542.56-174,628.68-76,251.28

Finding the Fourth Proportional to 126,542.56, 174,628.68 and 76,251.28

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Solution

The fourth proportional to 126,542.56, 174,628.68 and 76,251.28 is: 105,226.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,542.56 : 174,628.68 = 76,251.28 : x
  2. Step 2: Convert to fraction form
    126,542.56/174,628.68 = 76,251.28/x
  3. Step 3: Cross multiply
    126,542.56x = 174,628.68 × 76,251.28
  4. Step 4: Simplify right side
    126,542.56x = 13,315,660,374.71
  5. Step 5: Solve for x
    x = 13,315,660,374.71/126,542.56
  6. Step 6: Final answer
    x = 105,226.73

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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.