Home / 281,556.22-422,387.49-113,089.78

Finding the Fourth Proportional to 281,556.22, 422,387.49 and 113,089.78

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Solution

The fourth proportional to 281,556.22, 422,387.49 and 113,089.78 is: 169,656.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,556.22 : 422,387.49 = 113,089.78 : x
  2. Step 2: Convert to fraction form
    281,556.22/422,387.49 = 113,089.78/x
  3. Step 3: Cross multiply
    281,556.22x = 422,387.49 × 113,089.78
  4. Step 4: Simplify right side
    281,556.22x = 47,767,708,318.85
  5. Step 5: Solve for x
    x = 47,767,708,318.85/281,556.22
  6. Step 6: Final answer
    x = 169,656.02

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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.