Home / 281,739.60-422,214.54-131,623.92

Finding the Fourth Proportional to 281,739.60, 422,214.54 and 131,623.92

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Solution

The fourth proportional to 281,739.60, 422,214.54 and 131,623.92 is: 197,251.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,739.60 : 422,214.54 = 131,623.92 : x
  2. Step 2: Convert to fraction form
    281,739.60/422,214.54 = 131,623.92/x
  3. Step 3: Cross multiply
    281,739.60x = 422,214.54 × 131,623.92
  4. Step 4: Simplify right side
    281,739.60x = 55,573,532,835.80
  5. Step 5: Solve for x
    x = 55,573,532,835.80/281,739.60
  6. Step 6: Final answer
    x = 197,251.41

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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.