Home / 129,775.40-194,661.92-41,028.93

Finding the Fourth Proportional to 129,775.40, 194,661.92 and 41,028.93

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Solution

The fourth proportional to 129,775.40, 194,661.92 and 41,028.93 is: 61,543.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,775.40 : 194,661.92 = 41,028.93 : x
  2. Step 2: Convert to fraction form
    129,775.40/194,661.92 = 41,028.93/x
  3. Step 3: Cross multiply
    129,775.40x = 194,661.92 × 41,028.93
  4. Step 4: Simplify right side
    129,775.40x = 7,986,770,391.92
  5. Step 5: Solve for x
    x = 7,986,770,391.92/129,775.40
  6. Step 6: Final answer
    x = 61,543.03

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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.