Home / 219,930.85-303,496.30-124,439.61

Finding the Fourth Proportional to 219,930.85, 303,496.30 and 124,439.61

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Solution

The fourth proportional to 219,930.85, 303,496.30 and 124,439.61 is: 171,721.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,930.85 : 303,496.30 = 124,439.61 : x
  2. Step 2: Convert to fraction form
    219,930.85/303,496.30 = 124,439.61/x
  3. Step 3: Cross multiply
    219,930.85x = 303,496.30 × 124,439.61
  4. Step 4: Simplify right side
    219,930.85x = 37,766,961,208.44
  5. Step 5: Solve for x
    x = 37,766,961,208.44/219,930.85
  6. Step 6: Final answer
    x = 171,721.98

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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.