Home / 198,872.63-298,189.97-134,909.39

Finding the Fourth Proportional to 198,872.63, 298,189.97 and 134,909.39

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Solution

The fourth proportional to 198,872.63, 298,189.97 and 134,909.39 is: 202,283.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,872.63 : 298,189.97 = 134,909.39 : x
  2. Step 2: Convert to fraction form
    198,872.63/298,189.97 = 134,909.39/x
  3. Step 3: Cross multiply
    198,872.63x = 298,189.97 × 134,909.39
  4. Step 4: Simplify right side
    198,872.63x = 40,228,624,791.32
  5. Step 5: Solve for x
    x = 40,228,624,791.32/198,872.63
  6. Step 6: Final answer
    x = 202,283.37

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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.