Finding the Fourth Proportional to 113,879.97, 157,151.66 and 62,891.68
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Solution
The fourth proportional to 113,879.97, 157,151.66 and 62,891.68 is: 86,789.03
Step by Step Solution
- Step 1: Write the proportion equation
113,879.97 : 157,151.66 = 62,891.68 : x - Step 2: Convert to fraction form
113,879.97/157,151.66 = 62,891.68/x - Step 3: Cross multiply
113,879.97x = 157,151.66 × 62,891.68 - Step 4: Simplify right side
113,879.97x = 9,883,531,912.19 - Step 5: Solve for x
x = 9,883,531,912.19/113,879.97 - Step 6: Final answer
x = 86,789.03
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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.