Home / 126,359.32-189,540.54-50,449.32

Finding the Fourth Proportional to 126,359.32, 189,540.54 and 50,449.32

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Solution

The fourth proportional to 126,359.32, 189,540.54 and 50,449.32 is: 75,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,359.32 : 189,540.54 = 50,449.32 : x
  2. Step 2: Convert to fraction form
    126,359.32/189,540.54 = 50,449.32/x
  3. Step 3: Cross multiply
    126,359.32x = 189,540.54 × 50,449.32
  4. Step 4: Simplify right side
    126,359.32x = 9,562,191,355.43
  5. Step 5: Solve for x
    x = 9,562,191,355.43/126,359.32
  6. Step 6: Final answer
    x = 75,674.60

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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.