Finding the Fourth Proportional to 163,741.23, 225,961.97 and 92,121.75
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Solution
The fourth proportional to 163,741.23, 225,961.97 and 92,121.75 is: 127,127.49
Step by Step Solution
- Step 1: Write the proportion equation
163,741.23 : 225,961.97 = 92,121.75 : x - Step 2: Convert to fraction form
163,741.23/225,961.97 = 92,121.75/x - Step 3: Cross multiply
163,741.23x = 225,961.97 × 92,121.75 - Step 4: Simplify right side
163,741.23x = 20,816,011,649.24 - Step 5: Solve for x
x = 20,816,011,649.24/163,741.23 - Step 6: Final answer
x = 127,127.49
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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.