Finding the Fourth Proportional to 126,021.26, 173,907.73 and 68,662.97
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Solution
The fourth proportional to 126,021.26, 173,907.73 and 68,662.97 is: 94,754.02
Step by Step Solution
- Step 1: Write the proportion equation
126,021.26 : 173,907.73 = 68,662.97 : x - Step 2: Convert to fraction form
126,021.26/173,907.73 = 68,662.97/x - Step 3: Cross multiply
126,021.26x = 173,907.73 × 68,662.97 - Step 4: Simplify right side
126,021.26x = 11,941,020,820.20 - Step 5: Solve for x
x = 11,941,020,820.20/126,021.26 - Step 6: Final answer
x = 94,754.02
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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.