Finding the Fourth Proportional to 163,375.40, 225,446.94 and 91,762.08
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Solution
The fourth proportional to 163,375.40, 225,446.94 and 91,762.08 is: 126,625.43
Step by Step Solution
- Step 1: Write the proportion equation
163,375.40 : 225,446.94 = 91,762.08 : x - Step 2: Convert to fraction form
163,375.40/225,446.94 = 91,762.08/x - Step 3: Cross multiply
163,375.40x = 225,446.94 × 91,762.08 - Step 4: Simplify right side
163,375.40x = 20,687,480,144.04 - Step 5: Solve for x
x = 20,687,480,144.04/163,375.40 - Step 6: Final answer
x = 126,625.43
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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.