Home / 187,820.35-281,263.16-131,396.33

Finding the Fourth Proportional to 187,820.35, 281,263.16 and 131,396.33

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Solution

The fourth proportional to 187,820.35, 281,263.16 and 131,396.33 is: 196,767.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,820.35 : 281,263.16 = 131,396.33 : x
  2. Step 2: Convert to fraction form
    187,820.35/281,263.16 = 131,396.33/x
  3. Step 3: Cross multiply
    187,820.35x = 281,263.16 × 131,396.33
  4. Step 4: Simplify right side
    187,820.35x = 36,956,948,019.85
  5. Step 5: Solve for x
    x = 36,956,948,019.85/187,820.35
  6. Step 6: Final answer
    x = 196,767.54

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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.