Finding the Fourth Proportional to 131,446.35, 181,183.46 and 102,716.09
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Solution
The fourth proportional to 131,446.35, 181,183.46 and 102,716.09 is: 141,582.15
Step by Step Solution
- Step 1: Write the proportion equation
131,446.35 : 181,183.46 = 102,716.09 : x - Step 2: Convert to fraction form
131,446.35/181,183.46 = 102,716.09/x - Step 3: Cross multiply
131,446.35x = 181,183.46 × 102,716.09 - Step 4: Simplify right side
131,446.35x = 18,610,456,566.03 - Step 5: Solve for x
x = 18,610,456,566.03/131,446.35 - Step 6: Final answer
x = 141,582.15
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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.