Home / 199,290.43-298,282.78-109,195.75

Finding the Fourth Proportional to 199,290.43, 298,282.78 and 109,195.75

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Solution

The fourth proportional to 199,290.43, 298,282.78 and 109,195.75 is: 163,435.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,290.43 : 298,282.78 = 109,195.75 : x
  2. Step 2: Convert to fraction form
    199,290.43/298,282.78 = 109,195.75/x
  3. Step 3: Cross multiply
    199,290.43x = 298,282.78 × 109,195.75
  4. Step 4: Simplify right side
    199,290.43x = 32,571,211,874.19
  5. Step 5: Solve for x
    x = 32,571,211,874.19/199,290.43
  6. Step 6: Final answer
    x = 163,435.91

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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.