Finding the Fourth Proportional to 118,057.24, 177,020.94 and 80,659.56
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Solution
The fourth proportional to 118,057.24, 177,020.94 and 80,659.56 is: 120,944.99
Step by Step Solution
- Step 1: Write the proportion equation
118,057.24 : 177,020.94 = 80,659.56 : x - Step 2: Convert to fraction form
118,057.24/177,020.94 = 80,659.56/x - Step 3: Cross multiply
118,057.24x = 177,020.94 × 80,659.56 - Step 4: Simplify right side
118,057.24x = 14,278,431,131.19 - Step 5: Solve for x
x = 14,278,431,131.19/118,057.24 - Step 6: Final answer
x = 120,944.99
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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.