Home / 227,079.72-313,370.10-131,641.74

Finding the Fourth Proportional to 227,079.72, 313,370.10 and 131,641.74

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Solution

The fourth proportional to 227,079.72, 313,370.10 and 131,641.74 is: 181,665.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,079.72 : 313,370.10 = 131,641.74 : x
  2. Step 2: Convert to fraction form
    227,079.72/313,370.10 = 131,641.74/x
  3. Step 3: Cross multiply
    227,079.72x = 313,370.10 × 131,641.74
  4. Step 4: Simplify right side
    227,079.72x = 41,252,585,227.97
  5. Step 5: Solve for x
    x = 41,252,585,227.97/227,079.72
  6. Step 6: Final answer
    x = 181,665.65

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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.