Finding the Fourth Proportional to 126,217.88, 174,183.96 and 68,858.13
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Solution
The fourth proportional to 126,217.88, 174,183.96 and 68,858.13 is: 95,026.02
Step by Step Solution
- Step 1: Write the proportion equation
126,217.88 : 174,183.96 = 68,858.13 : x - Step 2: Convert to fraction form
126,217.88/174,183.96 = 68,858.13/x - Step 3: Cross multiply
126,217.88x = 174,183.96 × 68,858.13 - Step 4: Simplify right side
126,217.88x = 11,993,981,761.59 - Step 5: Solve for x
x = 11,993,981,761.59/126,217.88 - Step 6: Final answer
x = 95,026.02
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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.