Home / 198,881.82-298,322.73-163,747.65

Finding the Fourth Proportional to 198,881.82, 298,322.73 and 163,747.65

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Solution

The fourth proportional to 198,881.82, 298,322.73 and 163,747.65 is: 245,621.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,881.82 : 298,322.73 = 163,747.65 : x
  2. Step 2: Convert to fraction form
    198,881.82/298,322.73 = 163,747.65/x
  3. Step 3: Cross multiply
    198,881.82x = 298,322.73 × 163,747.65
  4. Step 4: Simplify right side
    198,881.82x = 48,849,645,979.08
  5. Step 5: Solve for x
    x = 48,849,645,979.08/198,881.82
  6. Step 6: Final answer
    x = 245,621.48

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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.