Home / 131,680.62-181,717.96-71,249.94

Finding the Fourth Proportional to 131,680.62, 181,717.96 and 71,249.94

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Solution

The fourth proportional to 131,680.62, 181,717.96 and 71,249.94 is: 98,324.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,680.62 : 181,717.96 = 71,249.94 : x
  2. Step 2: Convert to fraction form
    131,680.62/181,717.96 = 71,249.94/x
  3. Step 3: Cross multiply
    131,680.62x = 181,717.96 × 71,249.94
  4. Step 4: Simplify right side
    131,680.62x = 12,947,393,390.67
  5. Step 5: Solve for x
    x = 12,947,393,390.67/131,680.62
  6. Step 6: Final answer
    x = 98,324.21

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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.