Home / 126,658.24-189,853.20-47,738.56

Finding the Fourth Proportional to 126,658.24, 189,853.20 and 47,738.56

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Solution

The fourth proportional to 126,658.24, 189,853.20 and 47,738.56 is: 71,557.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,658.24 : 189,853.20 = 47,738.56 : x
  2. Step 2: Convert to fraction form
    126,658.24/189,853.20 = 47,738.56/x
  3. Step 3: Cross multiply
    126,658.24x = 189,853.20 × 47,738.56
  4. Step 4: Simplify right side
    126,658.24x = 9,063,318,379.39
  5. Step 5: Solve for x
    x = 9,063,318,379.39/126,658.24
  6. Step 6: Final answer
    x = 71,557.27

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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.