Home / 199,845.62-299,976.05-133,747.64

Finding the Fourth Proportional to 199,845.62, 299,976.05 and 133,747.64

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Solution

The fourth proportional to 199,845.62, 299,976.05 and 133,747.64 is: 200,760.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,845.62 : 299,976.05 = 133,747.64 : x
  2. Step 2: Convert to fraction form
    199,845.62/299,976.05 = 133,747.64/x
  3. Step 3: Cross multiply
    199,845.62x = 299,976.05 × 133,747.64
  4. Step 4: Simplify right side
    199,845.62x = 40,121,087,578.51
  5. Step 5: Solve for x
    x = 40,121,087,578.51/199,845.62
  6. Step 6: Final answer
    x = 200,760.41

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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.