Home / 126,299.20-174,327.24-72,589.72

Finding the Fourth Proportional to 126,299.20, 174,327.24 and 72,589.72

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Solution

The fourth proportional to 126,299.20, 174,327.24 and 72,589.72 is: 100,193.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,299.20 : 174,327.24 = 72,589.72 : x
  2. Step 2: Convert to fraction form
    126,299.20/174,327.24 = 72,589.72/x
  3. Step 3: Cross multiply
    126,299.20x = 174,327.24 × 72,589.72
  4. Step 4: Simplify right side
    126,299.20x = 12,654,365,539.97
  5. Step 5: Solve for x
    x = 12,654,365,539.97/126,299.20
  6. Step 6: Final answer
    x = 100,193.55

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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.