Finding the Fourth Proportional to 126,203.26, 174,163.78 and 68,843.55
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Solution
The fourth proportional to 126,203.26, 174,163.78 and 68,843.55 is: 95,005.89
Step by Step Solution
- Step 1: Write the proportion equation
126,203.26 : 174,163.78 = 68,843.55 : x - Step 2: Convert to fraction form
126,203.26/174,163.78 = 68,843.55/x - Step 3: Cross multiply
126,203.26x = 174,163.78 × 68,843.55 - Step 4: Simplify right side
126,203.26x = 11,990,052,896.62 - Step 5: Solve for x
x = 11,990,052,896.62/126,203.26 - Step 6: Final answer
x = 95,005.89
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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.