Home / 131,717.27-181,770.08-71,288.03

Finding the Fourth Proportional to 131,717.27, 181,770.08 and 71,288.03

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Solution

The fourth proportional to 131,717.27, 181,770.08 and 71,288.03 is: 98,377.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,717.27 : 181,770.08 = 71,288.03 : x
  2. Step 2: Convert to fraction form
    131,717.27/181,770.08 = 71,288.03/x
  3. Step 3: Cross multiply
    131,717.27x = 181,770.08 × 71,288.03
  4. Step 4: Simplify right side
    131,717.27x = 12,958,029,650.85
  5. Step 5: Solve for x
    x = 12,958,029,650.85/131,717.27
  6. Step 6: Final answer
    x = 98,377.61

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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.