Finding the Fourth Proportional to 163,580.26, 225,734.76 and 91,966.90
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Solution
The fourth proportional to 163,580.26, 225,734.76 and 91,966.90 is: 126,910.95
Step by Step Solution
- Step 1: Write the proportion equation
163,580.26 : 225,734.76 = 91,966.90 : x - Step 2: Convert to fraction form
163,580.26/225,734.76 = 91,966.90/x - Step 3: Cross multiply
163,580.26x = 225,734.76 × 91,966.90 - Step 4: Simplify right side
163,580.26x = 20,760,126,099.44 - Step 5: Solve for x
x = 20,760,126,099.44/163,580.26 - Step 6: Final answer
x = 126,910.95
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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.