Home / 274,087.23-378,356.97-166,691.76

Finding the Fourth Proportional to 274,087.23, 378,356.97 and 166,691.76

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Solution

The fourth proportional to 274,087.23, 378,356.97 and 166,691.76 is: 230,105.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,087.23 : 378,356.97 = 166,691.76 : x
  2. Step 2: Convert to fraction form
    274,087.23/378,356.97 = 166,691.76/x
  3. Step 3: Cross multiply
    274,087.23x = 378,356.97 × 166,691.76
  4. Step 4: Simplify right side
    274,087.23x = 63,068,989,237.57
  5. Step 5: Solve for x
    x = 63,068,989,237.57/274,087.23
  6. Step 6: Final answer
    x = 230,105.54

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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.