Home / 281,518.62-421,982.67-131,632.57

Finding the Fourth Proportional to 281,518.62, 421,982.67 and 131,632.57

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Solution

The fourth proportional to 281,518.62, 421,982.67 and 131,632.57 is: 197,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,518.62 : 421,982.67 = 131,632.57 : x
  2. Step 2: Convert to fraction form
    281,518.62/421,982.67 = 131,632.57/x
  3. Step 3: Cross multiply
    281,518.62x = 421,982.67 × 131,632.57
  4. Step 4: Simplify right side
    281,518.62x = 55,546,663,347.56
  5. Step 5: Solve for x
    x = 55,546,663,347.56/281,518.62
  6. Step 6: Final answer
    x = 197,310.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.