Finding the Fourth Proportional to 163,583.26, 225,738.90 and 91,969.96
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Solution
The fourth proportional to 163,583.26, 225,738.90 and 91,969.96 is: 126,915.17
Step by Step Solution
- Step 1: Write the proportion equation
163,583.26 : 225,738.90 = 91,969.96 : x - Step 2: Convert to fraction form
163,583.26/225,738.90 = 91,969.96/x - Step 3: Cross multiply
163,583.26x = 225,738.90 × 91,969.96 - Step 4: Simplify right side
163,583.26x = 20,761,197,603.44 - Step 5: Solve for x
x = 20,761,197,603.44/163,583.26 - Step 6: Final answer
x = 126,915.17
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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.