Home / 198,561.77-274,017.34-107,917.73

Finding the Fourth Proportional to 198,561.77, 274,017.34 and 107,917.73

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Solution

The fourth proportional to 198,561.77, 274,017.34 and 107,917.73 is: 148,927.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,561.77 : 274,017.34 = 107,917.73 : x
  2. Step 2: Convert to fraction form
    198,561.77/274,017.34 = 107,917.73/x
  3. Step 3: Cross multiply
    198,561.77x = 274,017.34 × 107,917.73
  4. Step 4: Simplify right side
    198,561.77x = 29,571,329,313.44
  5. Step 5: Solve for x
    x = 29,571,329,313.44/198,561.77
  6. Step 6: Final answer
    x = 148,927.61

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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.