Home / 198,628.61-274,107.24-107,984.34

Finding the Fourth Proportional to 198,628.61, 274,107.24 and 107,984.34

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Solution

The fourth proportional to 198,628.61, 274,107.24 and 107,984.34 is: 149,018.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,628.61 : 274,107.24 = 107,984.34 : x
  2. Step 2: Convert to fraction form
    198,628.61/274,107.24 = 107,984.34/x
  3. Step 3: Cross multiply
    198,628.61x = 274,107.24 × 107,984.34
  4. Step 4: Simplify right side
    198,628.61x = 29,599,289,400.62
  5. Step 5: Solve for x
    x = 29,599,289,400.62/198,628.61
  6. Step 6: Final answer
    x = 149,018.26

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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.