Home / 138,016.24-206,973.48-49,246

Finding the Fourth Proportional to 138,016.24, 206,973.48 and 49,246

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Solution

The fourth proportional to 138,016.24, 206,973.48 and 49,246 is: 73,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,016.24 : 206,973.48 = 49,246 : x
  2. Step 2: Convert to fraction form
    138,016.24/206,973.48 = 49,246/x
  3. Step 3: Cross multiply
    138,016.24x = 206,973.48 × 49,246
  4. Step 4: Simplify right side
    138,016.24x = 10,192,615,996.08
  5. Step 5: Solve for x
    x = 10,192,615,996.08/138,016.24
  6. Step 6: Final answer
    x = 73,850.85

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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.