Home / 221,083.41-305,057.09-124,273.85

Finding the Fourth Proportional to 221,083.41, 305,057.09 and 124,273.85

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Solution

The fourth proportional to 221,083.41, 305,057.09 and 124,273.85 is: 171,476.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,083.41 : 305,057.09 = 124,273.85 : x
  2. Step 2: Convert to fraction form
    221,083.41/305,057.09 = 124,273.85/x
  3. Step 3: Cross multiply
    221,083.41x = 305,057.09 × 124,273.85
  4. Step 4: Simplify right side
    221,083.41x = 37,910,617,130.46
  5. Step 5: Solve for x
    x = 37,910,617,130.46/221,083.41
  6. Step 6: Final answer
    x = 171,476.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.