Home / 199,139.96-298,677.54-80,806.52

Finding the Fourth Proportional to 199,139.96, 298,677.54 and 80,806.52

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Solution

The fourth proportional to 199,139.96, 298,677.54 and 80,806.52 is: 121,196.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,139.96 : 298,677.54 = 80,806.52 : x
  2. Step 2: Convert to fraction form
    199,139.96/298,677.54 = 80,806.52/x
  3. Step 3: Cross multiply
    199,139.96x = 298,677.54 × 80,806.52
  4. Step 4: Simplify right side
    199,139.96x = 24,135,092,609.56
  5. Step 5: Solve for x
    x = 24,135,092,609.56/199,139.96
  6. Step 6: Final answer
    x = 121,196.63

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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.