Finding the Fourth Proportional to 163,586.10, 225,747.46 and 91,966.44
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Solution
The fourth proportional to 163,586.10, 225,747.46 and 91,966.44 is: 126,912.92
Step by Step Solution
- Step 1: Write the proportion equation
163,586.10 : 225,747.46 = 91,966.44 : x - Step 2: Convert to fraction form
163,586.10/225,747.46 = 91,966.44/x - Step 3: Cross multiply
163,586.10x = 225,747.46 × 91,966.44 - Step 4: Simplify right side
163,586.10x = 20,761,190,235.24 - Step 5: Solve for x
x = 20,761,190,235.24/163,586.10 - Step 6: Final answer
x = 126,912.92
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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.