Home / 129,927.85-194,891.47-50,986.87

Finding the Fourth Proportional to 129,927.85, 194,891.47 and 50,986.87

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Solution

The fourth proportional to 129,927.85, 194,891.47 and 50,986.87 is: 76,480.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,927.85 : 194,891.47 = 50,986.87 : x
  2. Step 2: Convert to fraction form
    129,927.85/194,891.47 = 50,986.87/x
  3. Step 3: Cross multiply
    129,927.85x = 194,891.47 × 50,986.87
  4. Step 4: Simplify right side
    129,927.85x = 9,936,905,430.30
  5. Step 5: Solve for x
    x = 9,936,905,430.30/129,927.85
  6. Step 6: Final answer
    x = 76,480.18

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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.