Home / 126,215.46-189,273.96-47,286.63

Finding the Fourth Proportional to 126,215.46, 189,273.96 and 47,286.63

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Solution

The fourth proportional to 126,215.46, 189,273.96 and 47,286.63 is: 70,911.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,215.46 : 189,273.96 = 47,286.63 : x
  2. Step 2: Convert to fraction form
    126,215.46/189,273.96 = 47,286.63/x
  3. Step 3: Cross multiply
    126,215.46x = 189,273.96 × 47,286.63
  4. Step 4: Simplify right side
    126,215.46x = 8,950,127,715.15
  5. Step 5: Solve for x
    x = 8,950,127,715.15/126,215.46
  6. Step 6: Final answer
    x = 70,911.50

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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.