Home / 208,982.43-313,511.31-76,049.28

Finding the Fourth Proportional to 208,982.43, 313,511.31 and 76,049.28

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Solution

The fourth proportional to 208,982.43, 313,511.31 and 76,049.28 is: 114,087.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,982.43 : 313,511.31 = 76,049.28 : x
  2. Step 2: Convert to fraction form
    208,982.43/313,511.31 = 76,049.28/x
  3. Step 3: Cross multiply
    208,982.43x = 313,511.31 × 76,049.28
  4. Step 4: Simplify right side
    208,982.43x = 23,842,309,397.36
  5. Step 5: Solve for x
    x = 23,842,309,397.36/208,982.43
  6. Step 6: Final answer
    x = 114,087.63

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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.