Home / 198,872.88-298,190.34-134,909.64

Finding the Fourth Proportional to 198,872.88, 298,190.34 and 134,909.64

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Solution

The fourth proportional to 198,872.88, 298,190.34 and 134,909.64 is: 202,283.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,872.88 : 298,190.34 = 134,909.64 : x
  2. Step 2: Convert to fraction form
    198,872.88/298,190.34 = 134,909.64/x
  3. Step 3: Cross multiply
    198,872.88x = 298,190.34 × 134,909.64
  4. Step 4: Simplify right side
    198,872.88x = 40,228,749,929.93
  5. Step 5: Solve for x
    x = 40,228,749,929.93/198,872.88
  6. Step 6: Final answer
    x = 202,283.74

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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.