Home / 126,072.54-173,977.82-68,712.39

Finding the Fourth Proportional to 126,072.54, 173,977.82 and 68,712.39

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Solution

The fourth proportional to 126,072.54, 173,977.82 and 68,712.39 is: 94,821.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,072.54 : 173,977.82 = 68,712.39 : x
  2. Step 2: Convert to fraction form
    126,072.54/173,977.82 = 68,712.39/x
  3. Step 3: Cross multiply
    126,072.54x = 173,977.82 × 68,712.39
  4. Step 4: Simplify right side
    126,072.54x = 11,954,431,475.63
  5. Step 5: Solve for x
    x = 11,954,431,475.63/126,072.54
  6. Step 6: Final answer
    x = 94,821.85

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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.