Home / 199,035.43-298,676.17-80,707.79

Finding the Fourth Proportional to 199,035.43, 298,676.17 and 80,707.79

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Solution

The fourth proportional to 199,035.43, 298,676.17 and 80,707.79 is: 121,111.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,035.43 : 298,676.17 = 80,707.79 : x
  2. Step 2: Convert to fraction form
    199,035.43/298,676.17 = 80,707.79/x
  3. Step 3: Cross multiply
    199,035.43x = 298,676.17 × 80,707.79
  4. Step 4: Simplify right side
    199,035.43x = 24,105,493,606.36
  5. Step 5: Solve for x
    x = 24,105,493,606.36/199,035.43
  6. Step 6: Final answer
    x = 121,111.57

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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.