Finding the Fourth Proportional to 121,099.23, 181,694.97 and 54,524.05
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Solution
The fourth proportional to 121,099.23, 181,694.97 and 54,524.05 is: 81,806.84
Step by Step Solution
- Step 1: Write the proportion equation
121,099.23 : 181,694.97 = 54,524.05 : x - Step 2: Convert to fraction form
121,099.23/181,694.97 = 54,524.05/x - Step 3: Cross multiply
121,099.23x = 181,694.97 × 54,524.05 - Step 4: Simplify right side
121,099.23x = 9,906,745,174.79 - Step 5: Solve for x
x = 9,906,745,174.79/121,099.23 - Step 6: Final answer
x = 81,806.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.