Home / 126,313.68-174,306.96-72,560.88

Finding the Fourth Proportional to 126,313.68, 174,306.96 and 72,560.88

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Solution

The fourth proportional to 126,313.68, 174,306.96 and 72,560.88 is: 100,130.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,313.68 : 174,306.96 = 72,560.88 : x
  2. Step 2: Convert to fraction form
    126,313.68/174,306.96 = 72,560.88/x
  3. Step 3: Cross multiply
    126,313.68x = 174,306.96 × 72,560.88
  4. Step 4: Simplify right side
    126,313.68x = 12,647,866,407.72
  5. Step 5: Solve for x
    x = 12,647,866,407.72/126,313.68
  6. Step 6: Final answer
    x = 100,130.61

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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.