Home / 199,816.21-299,717.38-50,057.79

Finding the Fourth Proportional to 199,816.21, 299,717.38 and 50,057.79

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Solution

The fourth proportional to 199,816.21, 299,717.38 and 50,057.79 is: 75,084.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,816.21 : 299,717.38 = 50,057.79 : x
  2. Step 2: Convert to fraction form
    199,816.21/299,717.38 = 50,057.79/x
  3. Step 3: Cross multiply
    199,816.21x = 299,717.38 × 50,057.79
  4. Step 4: Simplify right side
    199,816.21x = 15,003,189,667.39
  5. Step 5: Solve for x
    x = 15,003,189,667.39/199,816.21
  6. Step 6: Final answer
    x = 75,084.95

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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.