Finding the Fourth Proportional to 144,450.68, 199,351.16 and 80,788.96
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Solution
The fourth proportional to 144,450.68, 199,351.16 and 80,788.96 is: 111,493.92
Step by Step Solution
- Step 1: Write the proportion equation
144,450.68 : 199,351.16 = 80,788.96 : x - Step 2: Convert to fraction form
144,450.68/199,351.16 = 80,788.96/x - Step 3: Cross multiply
144,450.68x = 199,351.16 × 80,788.96 - Step 4: Simplify right side
144,450.68x = 16,105,372,891.19 - Step 5: Solve for x
x = 16,105,372,891.19/144,450.68 - Step 6: Final answer
x = 111,493.92
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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.