Home / 221,913.10-332,862.36-88,757.61

Finding the Fourth Proportional to 221,913.10, 332,862.36 and 88,757.61

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Solution

The fourth proportional to 221,913.10, 332,862.36 and 88,757.61 is: 133,133.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,913.10 : 332,862.36 = 88,757.61 : x
  2. Step 2: Convert to fraction form
    221,913.10/332,862.36 = 88,757.61/x
  3. Step 3: Cross multiply
    221,913.10x = 332,862.36 × 88,757.61
  4. Step 4: Simplify right side
    221,913.10x = 29,544,065,868.25
  5. Step 5: Solve for x
    x = 29,544,065,868.25/221,913.10
  6. Step 6: Final answer
    x = 133,133.49

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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.