Home / 220,998.17-331,694.09-102,736.15

Finding the Fourth Proportional to 220,998.17, 331,694.09 and 102,736.15

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Solution

The fourth proportional to 220,998.17, 331,694.09 and 102,736.15 is: 154,195.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,998.17 : 331,694.09 = 102,736.15 : x
  2. Step 2: Convert to fraction form
    220,998.17/331,694.09 = 102,736.15/x
  3. Step 3: Cross multiply
    220,998.17x = 331,694.09 × 102,736.15
  4. Step 4: Simplify right side
    220,998.17x = 34,076,972,826.70
  5. Step 5: Solve for x
    x = 34,076,972,826.70/220,998.17
  6. Step 6: Final answer
    x = 154,195.72

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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.