Home / 281,822.96-422,917.68-122,054.90

Finding the Fourth Proportional to 281,822.96, 422,917.68 and 122,054.90

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Solution

The fourth proportional to 281,822.96, 422,917.68 and 122,054.90 is: 183,161.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,822.96 : 422,917.68 = 122,054.90 : x
  2. Step 2: Convert to fraction form
    281,822.96/422,917.68 = 122,054.90/x
  3. Step 3: Cross multiply
    281,822.96x = 422,917.68 × 122,054.90
  4. Step 4: Simplify right side
    281,822.96x = 51,619,175,140.63
  5. Step 5: Solve for x
    x = 51,619,175,140.63/281,822.96
  6. Step 6: Final answer
    x = 183,161.71

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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.