Home / 227,020.86-313,394.94-131,508.90

Finding the Fourth Proportional to 227,020.86, 313,394.94 and 131,508.90

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Solution

The fourth proportional to 227,020.86, 313,394.94 and 131,508.90 is: 181,543.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,020.86 : 313,394.94 = 131,508.90 : x
  2. Step 2: Convert to fraction form
    227,020.86/313,394.94 = 131,508.90/x
  3. Step 3: Cross multiply
    227,020.86x = 313,394.94 × 131,508.90
  4. Step 4: Simplify right side
    227,020.86x = 41,214,223,824.97
  5. Step 5: Solve for x
    x = 41,214,223,824.97/227,020.86
  6. Step 6: Final answer
    x = 181,543.77

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1.5x scale

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.