Home / 206,144.62-284,460.32-115,481.36

Finding the Fourth Proportional to 206,144.62, 284,460.32 and 115,481.36

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Solution

The fourth proportional to 206,144.62, 284,460.32 and 115,481.36 is: 159,353.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,144.62 : 284,460.32 = 115,481.36 : x
  2. Step 2: Convert to fraction form
    206,144.62/284,460.32 = 115,481.36/x
  3. Step 3: Cross multiply
    206,144.62x = 284,460.32 × 115,481.36
  4. Step 4: Simplify right side
    206,144.62x = 32,849,862,908.63
  5. Step 5: Solve for x
    x = 32,849,862,908.63/206,144.62
  6. Step 6: Final answer
    x = 159,353.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.