Home / 126,514.26-189,764.90-37,768.50

Finding the Fourth Proportional to 126,514.26, 189,764.90 and 37,768.50

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Solution

The fourth proportional to 126,514.26, 189,764.90 and 37,768.50 is: 56,650.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,514.26 : 189,764.90 = 37,768.50 : x
  2. Step 2: Convert to fraction form
    126,514.26/189,764.90 = 37,768.50/x
  3. Step 3: Cross multiply
    126,514.26x = 189,764.90 × 37,768.50
  4. Step 4: Simplify right side
    126,514.26x = 7,167,135,625.65
  5. Step 5: Solve for x
    x = 7,167,135,625.65/126,514.26
  6. Step 6: Final answer
    x = 56,650.81

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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.