Home / 198,999.60-274,617.05-108,355.53

Finding the Fourth Proportional to 198,999.60, 274,617.05 and 108,355.53

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Solution

The fourth proportional to 198,999.60, 274,617.05 and 108,355.53 is: 149,529.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,999.60 : 274,617.05 = 108,355.53 : x
  2. Step 2: Convert to fraction form
    198,999.60/274,617.05 = 108,355.53/x
  3. Step 3: Cross multiply
    198,999.60x = 274,617.05 × 108,355.53
  4. Step 4: Simplify right side
    198,999.60x = 29,756,277,097.32
  5. Step 5: Solve for x
    x = 29,756,277,097.32/198,999.60
  6. Step 6: Final answer
    x = 149,529.33

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1.5x scale

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.