Home / 281,738.60-422,213.04-131,622.92

Finding the Fourth Proportional to 281,738.60, 422,213.04 and 131,622.92

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Solution

The fourth proportional to 281,738.60, 422,213.04 and 131,622.92 is: 197,249.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,738.60 : 422,213.04 = 131,622.92 : x
  2. Step 2: Convert to fraction form
    281,738.60/422,213.04 = 131,622.92/x
  3. Step 3: Cross multiply
    281,738.60x = 422,213.04 × 131,622.92
  4. Step 4: Simplify right side
    281,738.60x = 55,572,913,186.88
  5. Step 5: Solve for x
    x = 55,572,913,186.88/281,738.60
  6. Step 6: Final answer
    x = 197,249.91

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1.5x scale

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.