Home / 198,583.45-274,050.52-107,945.54

Finding the Fourth Proportional to 198,583.45, 274,050.52 and 107,945.54

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Solution

The fourth proportional to 198,583.45, 274,050.52 and 107,945.54 is: 148,967.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,583.45 : 274,050.52 = 107,945.54 : x
  2. Step 2: Convert to fraction form
    198,583.45/274,050.52 = 107,945.54/x
  3. Step 3: Cross multiply
    198,583.45x = 274,050.52 × 107,945.54
  4. Step 4: Simplify right side
    198,583.45x = 29,582,531,368.68
  5. Step 5: Solve for x
    x = 29,582,531,368.68/198,583.45
  6. Step 6: Final answer
    x = 148,967.76

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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.