Home / 227,187.86-313,519.26-131,749.91

Finding the Fourth Proportional to 227,187.86, 313,519.26 and 131,749.91

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Solution

The fourth proportional to 227,187.86, 313,519.26 and 131,749.91 is: 181,814.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,187.86 : 313,519.26 = 131,749.91 : x
  2. Step 2: Convert to fraction form
    227,187.86/313,519.26 = 131,749.91/x
  3. Step 3: Cross multiply
    227,187.86x = 313,519.26 × 131,749.91
  4. Step 4: Simplify right side
    227,187.86x = 41,306,133,649.34
  5. Step 5: Solve for x
    x = 41,306,133,649.34/227,187.86
  6. Step 6: Final answer
    x = 181,814.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.