Home / 198,837.45-274,398.96-108,193.87

Finding the Fourth Proportional to 198,837.45, 274,398.96 and 108,193.87

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Solution

The fourth proportional to 198,837.45, 274,398.96 and 108,193.87 is: 149,309.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,837.45 : 274,398.96 = 108,193.87 : x
  2. Step 2: Convert to fraction form
    198,837.45/274,398.96 = 108,193.87/x
  3. Step 3: Cross multiply
    198,837.45x = 274,398.96 × 108,193.87
  4. Step 4: Simplify right side
    198,837.45x = 29,688,285,581.79
  5. Step 5: Solve for x
    x = 29,688,285,581.79/198,837.45
  6. Step 6: Final answer
    x = 149,309.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.