Home / 198,857.84-298,286.66-163,723.64

Finding the Fourth Proportional to 198,857.84, 298,286.66 and 163,723.64

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Solution

The fourth proportional to 198,857.84, 298,286.66 and 163,723.64 is: 245,585.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,857.84 : 298,286.66 = 163,723.64 : x
  2. Step 2: Convert to fraction form
    198,857.84/298,286.66 = 163,723.64/x
  3. Step 3: Cross multiply
    198,857.84x = 298,286.66 × 163,723.64
  4. Step 4: Simplify right side
    198,857.84x = 48,836,577,738.64
  5. Step 5: Solve for x
    x = 48,836,577,738.64/198,857.84
  6. Step 6: Final answer
    x = 245,585.38

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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.