Home / 198,992.28-298,225.14-80,523.48

Finding the Fourth Proportional to 198,992.28, 298,225.14 and 80,523.48

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Solution

The fourth proportional to 198,992.28, 298,225.14 and 80,523.48 is: 120,678.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,992.28 : 298,225.14 = 80,523.48 : x
  2. Step 2: Convert to fraction form
    198,992.28/298,225.14 = 80,523.48/x
  3. Step 3: Cross multiply
    198,992.28x = 298,225.14 × 80,523.48
  4. Step 4: Simplify right side
    198,992.28x = 24,014,126,096.29
  5. Step 5: Solve for x
    x = 24,014,126,096.29/198,992.28
  6. Step 6: Final answer
    x = 120,678.68

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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.