Home / 198,877.10-274,448.55-108,233.18

Finding the Fourth Proportional to 198,877.10, 274,448.55 and 108,233.18

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Solution

The fourth proportional to 198,877.10, 274,448.55 and 108,233.18 is: 149,360.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,877.10 : 274,448.55 = 108,233.18 : x
  2. Step 2: Convert to fraction form
    198,877.10/274,448.55 = 108,233.18/x
  3. Step 3: Cross multiply
    198,877.10x = 274,448.55 × 108,233.18
  4. Step 4: Simplify right side
    198,877.10x = 29,704,439,312.89
  5. Step 5: Solve for x
    x = 29,704,439,312.89/198,877.10
  6. Step 6: Final answer
    x = 149,360.78

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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.