Finding the Fourth Proportional to 125,540.57, 173,245.39 and 68,179.49
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Solution
The fourth proportional to 125,540.57, 173,245.39 and 68,179.49 is: 94,087.37
Step by Step Solution
- Step 1: Write the proportion equation
125,540.57 : 173,245.39 = 68,179.49 : x - Step 2: Convert to fraction form
125,540.57/173,245.39 = 68,179.49/x - Step 3: Cross multiply
125,540.57x = 173,245.39 × 68,179.49 - Step 4: Simplify right side
125,540.57x = 11,811,782,335.05 - Step 5: Solve for x
x = 11,811,782,335.05/125,540.57 - Step 6: Final answer
x = 94,087.37
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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.