Finding the Fourth Proportional to 125,504.44, 173,205.39 and 77,767.09
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Solution
The fourth proportional to 125,504.44, 173,205.39 and 77,767.09 is: 107,324.32
Step by Step Solution
- Step 1: Write the proportion equation
125,504.44 : 173,205.39 = 77,767.09 : x - Step 2: Convert to fraction form
125,504.44/173,205.39 = 77,767.09/x - Step 3: Cross multiply
125,504.44x = 173,205.39 × 77,767.09 - Step 4: Simplify right side
125,504.44x = 13,469,678,573.79 - Step 5: Solve for x
x = 13,469,678,573.79/125,504.44 - Step 6: Final answer
x = 107,324.32
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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.