Home / 129,941.49-194,939.78-41,183.31

Finding the Fourth Proportional to 129,941.49, 194,939.78 and 41,183.31

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Solution

The fourth proportional to 129,941.49, 194,939.78 and 41,183.31 is: 61,783.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,941.49 : 194,939.78 = 41,183.31 : x
  2. Step 2: Convert to fraction form
    129,941.49/194,939.78 = 41,183.31/x
  3. Step 3: Cross multiply
    129,941.49x = 194,939.78 × 41,183.31
  4. Step 4: Simplify right side
    129,941.49x = 8,028,265,185.16
  5. Step 5: Solve for x
    x = 8,028,265,185.16/129,941.49
  6. Step 6: Final answer
    x = 61,783.69

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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.