Home / 198,974.82-298,274.60-99,040.52

Finding the Fourth Proportional to 198,974.82, 298,274.60 and 99,040.52

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Solution

The fourth proportional to 198,974.82, 298,274.60 and 99,040.52 is: 148,467.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,974.82 : 298,274.60 = 99,040.52 : x
  2. Step 2: Convert to fraction form
    198,974.82/298,274.60 = 99,040.52/x
  3. Step 3: Cross multiply
    198,974.82x = 298,274.60 × 99,040.52
  4. Step 4: Simplify right side
    198,974.82x = 29,541,271,486.79
  5. Step 5: Solve for x
    x = 29,541,271,486.79/198,974.82
  6. Step 6: Final answer
    x = 148,467.39

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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.