Home / 221,309.43-331,944.09-88,153.94

Finding the Fourth Proportional to 221,309.43, 331,944.09 and 88,153.94

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Solution

The fourth proportional to 221,309.43, 331,944.09 and 88,153.94 is: 132,222.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,309.43 : 331,944.09 = 88,153.94 : x
  2. Step 2: Convert to fraction form
    221,309.43/331,944.09 = 88,153.94/x
  3. Step 3: Cross multiply
    221,309.43x = 331,944.09 × 88,153.94
  4. Step 4: Simplify right side
    221,309.43x = 29,262,177,733.49
  5. Step 5: Solve for x
    x = 29,262,177,733.49/221,309.43
  6. Step 6: Final answer
    x = 132,222.91

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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.