Home / 221,917.10-332,868.36-88,761.60

Finding the Fourth Proportional to 221,917.10, 332,868.36 and 88,761.60

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Solution

The fourth proportional to 221,917.10, 332,868.36 and 88,761.60 is: 133,139.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,917.10 : 332,868.36 = 88,761.60 : x
  2. Step 2: Convert to fraction form
    221,917.10/332,868.36 = 88,761.60/x
  3. Step 3: Cross multiply
    221,917.10x = 332,868.36 × 88,761.60
  4. Step 4: Simplify right side
    221,917.10x = 29,545,928,222.98
  5. Step 5: Solve for x
    x = 29,545,928,222.98/221,917.10
  6. Step 6: Final answer
    x = 133,139.48

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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.