Home / 199,941.62-299,912.29-80,052.50

Finding the Fourth Proportional to 199,941.62, 299,912.29 and 80,052.50

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Solution

The fourth proportional to 199,941.62, 299,912.29 and 80,052.50 is: 120,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,941.62 : 299,912.29 = 80,052.50 : x
  2. Step 2: Convert to fraction form
    199,941.62/299,912.29 = 80,052.50/x
  3. Step 3: Cross multiply
    199,941.62x = 299,912.29 × 80,052.50
  4. Step 4: Simplify right side
    199,941.62x = 24,008,729,144.87
  5. Step 5: Solve for x
    x = 24,008,729,144.87/199,941.62
  6. Step 6: Final answer
    x = 120,078.70

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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.