Home / 126,136.24-189,200.26-51,234.22

Finding the Fourth Proportional to 126,136.24, 189,200.26 and 51,234.22

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Solution

The fourth proportional to 126,136.24, 189,200.26 and 51,234.22 is: 76,849.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,136.24 : 189,200.26 = 51,234.22 : x
  2. Step 2: Convert to fraction form
    126,136.24/189,200.26 = 51,234.22/x
  3. Step 3: Cross multiply
    126,136.24x = 189,200.26 × 51,234.22
  4. Step 4: Simplify right side
    126,136.24x = 9,693,527,757.25
  5. Step 5: Solve for x
    x = 9,693,527,757.25/126,136.24
  6. Step 6: Final answer
    x = 76,849.67

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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.