Home / 221,747.07-332,751.83-81,604.11

Finding the Fourth Proportional to 221,747.07, 332,751.83 and 81,604.11

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Solution

The fourth proportional to 221,747.07, 332,751.83 and 81,604.11 is: 122,454.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,747.07 : 332,751.83 = 81,604.11 : x
  2. Step 2: Convert to fraction form
    221,747.07/332,751.83 = 81,604.11/x
  3. Step 3: Cross multiply
    221,747.07x = 332,751.83 × 81,604.11
  4. Step 4: Simplify right side
    221,747.07x = 27,153,916,938.02
  5. Step 5: Solve for x
    x = 27,153,916,938.02/221,747.07
  6. Step 6: Final answer
    x = 122,454.46

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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.