Home / 206,001.31-284,289.90-115,356.48

Finding the Fourth Proportional to 206,001.31, 284,289.90 and 115,356.48

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Solution

The fourth proportional to 206,001.31, 284,289.90 and 115,356.48 is: 159,196.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,001.31 : 284,289.90 = 115,356.48 : x
  2. Step 2: Convert to fraction form
    206,001.31/284,289.90 = 115,356.48/x
  3. Step 3: Cross multiply
    206,001.31x = 284,289.90 × 115,356.48
  4. Step 4: Simplify right side
    206,001.31x = 32,794,682,163.55
  5. Step 5: Solve for x
    x = 32,794,682,163.55/206,001.31
  6. Step 6: Final answer
    x = 159,196.47

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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.