Home / 207,183.82-310,777.53-66,942.46

Finding the Fourth Proportional to 207,183.82, 310,777.53 and 66,942.46

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Solution

The fourth proportional to 207,183.82, 310,777.53 and 66,942.46 is: 100,414.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,183.82 : 310,777.53 = 66,942.46 : x
  2. Step 2: Convert to fraction form
    207,183.82/310,777.53 = 66,942.46/x
  3. Step 3: Cross multiply
    207,183.82x = 310,777.53 × 66,942.46
  4. Step 4: Simplify right side
    207,183.82x = 20,804,212,370.92
  5. Step 5: Solve for x
    x = 20,804,212,370.92/207,183.82
  6. Step 6: Final answer
    x = 100,414.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.