Finding the Fourth Proportional to 163,571.23, 225,722.37 and 91,957.92
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Solution
The fourth proportional to 163,571.23, 225,722.37 and 91,957.92 is: 126,898.60
Step by Step Solution
- Step 1: Write the proportion equation
163,571.23 : 225,722.37 = 91,957.92 : x - Step 2: Convert to fraction form
163,571.23/225,722.37 = 91,957.92/x - Step 3: Cross multiply
163,571.23x = 225,722.37 × 91,957.92 - Step 4: Simplify right side
163,571.23x = 20,756,959,642.67 - Step 5: Solve for x
x = 20,756,959,642.67/163,571.23 - Step 6: Final answer
x = 126,898.60
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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.