Home / 205,290.63-283,286.94-113,405.85

Finding the Fourth Proportional to 205,290.63, 283,286.94 and 113,405.85

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Solution

The fourth proportional to 205,290.63, 283,286.94 and 113,405.85 is: 156,492.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,290.63 : 283,286.94 = 113,405.85 : x
  2. Step 2: Convert to fraction form
    205,290.63/283,286.94 = 113,405.85/x
  3. Step 3: Cross multiply
    205,290.63x = 283,286.94 × 113,405.85
  4. Step 4: Simplify right side
    205,290.63x = 32,126,396,224.60
  5. Step 5: Solve for x
    x = 32,126,396,224.60/205,290.63
  6. Step 6: Final answer
    x = 156,492.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.