Home / 131,971.09-197,993.49-43,286.98

Finding the Fourth Proportional to 131,971.09, 197,993.49 and 43,286.98

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Solution

The fourth proportional to 131,971.09, 197,993.49 and 43,286.98 is: 64,942.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,971.09 : 197,993.49 = 43,286.98 : x
  2. Step 2: Convert to fraction form
    131,971.09/197,993.49 = 43,286.98/x
  3. Step 3: Cross multiply
    131,971.09x = 197,993.49 × 43,286.98
  4. Step 4: Simplify right side
    131,971.09x = 8,570,540,241.76
  5. Step 5: Solve for x
    x = 8,570,540,241.76/131,971.09
  6. Step 6: Final answer
    x = 64,942.56

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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.