Home / 199,914.75-299,872.17-52,170.75

Finding the Fourth Proportional to 199,914.75, 299,872.17 and 52,170.75

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Solution

The fourth proportional to 199,914.75, 299,872.17 and 52,170.75 is: 78,256.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,914.75 : 299,872.17 = 52,170.75 : x
  2. Step 2: Convert to fraction form
    199,914.75/299,872.17 = 52,170.75/x
  3. Step 3: Cross multiply
    199,914.75x = 299,872.17 × 52,170.75
  4. Step 4: Simplify right side
    199,914.75x = 15,644,556,013.03
  5. Step 5: Solve for x
    x = 15,644,556,013.03/199,914.75
  6. Step 6: Final answer
    x = 78,256.14

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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.