Home / 281,606.70-422,358.78-113,120.22

Finding the Fourth Proportional to 281,606.70, 422,358.78 and 113,120.22

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Solution

The fourth proportional to 281,606.70, 422,358.78 and 113,120.22 is: 169,659.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,606.70 : 422,358.78 = 113,120.22 : x
  2. Step 2: Convert to fraction form
    281,606.70/422,358.78 = 113,120.22/x
  3. Step 3: Cross multiply
    281,606.70x = 422,358.78 × 113,120.22
  4. Step 4: Simplify right side
    281,606.70x = 47,777,318,112.53
  5. Step 5: Solve for x
    x = 47,777,318,112.53/281,606.70
  6. Step 6: Final answer
    x = 169,659.74

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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.