Home / 198,579.99-274,042.22-107,936.16

Finding the Fourth Proportional to 198,579.99, 274,042.22 and 107,936.16

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Solution

The fourth proportional to 198,579.99, 274,042.22 and 107,936.16 is: 148,952.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,579.99 : 274,042.22 = 107,936.16 : x
  2. Step 2: Convert to fraction form
    198,579.99/274,042.22 = 107,936.16/x
  3. Step 3: Cross multiply
    198,579.99x = 274,042.22 × 107,936.16
  4. Step 4: Simplify right side
    198,579.99x = 29,579,064,904.68
  5. Step 5: Solve for x
    x = 29,579,064,904.68/198,579.99
  6. Step 6: Final answer
    x = 148,952.90

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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.