Finding the Fourth Proportional to 163,571.85, 225,717.96 and 91,962.99
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Solution
The fourth proportional to 163,571.85, 225,717.96 and 91,962.99 is: 126,902.63
Step by Step Solution
- Step 1: Write the proportion equation
163,571.85 : 225,717.96 = 91,962.99 : x - Step 2: Convert to fraction form
163,571.85/225,717.96 = 91,962.99/x - Step 3: Cross multiply
163,571.85x = 225,717.96 × 91,962.99 - Step 4: Simplify right side
163,571.85x = 20,757,698,498.30 - Step 5: Solve for x
x = 20,757,698,498.30/163,571.85 - Step 6: Final answer
x = 126,902.63
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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.