Home / 129,955.15-194,939.67-41,215.73

Finding the Fourth Proportional to 129,955.15, 194,939.67 and 41,215.73

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Solution

The fourth proportional to 129,955.15, 194,939.67 and 41,215.73 is: 61,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,955.15 : 194,939.67 = 41,215.73 : x
  2. Step 2: Convert to fraction form
    129,955.15/194,939.67 = 41,215.73/x
  3. Step 3: Cross multiply
    129,955.15x = 194,939.67 × 41,215.73
  4. Step 4: Simplify right side
    129,955.15x = 8,034,580,805.01
  5. Step 5: Solve for x
    x = 8,034,580,805.01/129,955.15
  6. Step 6: Final answer
    x = 61,825.80

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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.