Finding the Fourth Proportional to 161,151.26, 222,317.19 and 107,383.82
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Solution
The fourth proportional to 161,151.26, 222,317.19 and 107,383.82 is: 148,141.99
Step by Step Solution
- Step 1: Write the proportion equation
161,151.26 : 222,317.19 = 107,383.82 : x - Step 2: Convert to fraction form
161,151.26/222,317.19 = 107,383.82/x - Step 3: Cross multiply
161,151.26x = 222,317.19 × 107,383.82 - Step 4: Simplify right side
161,151.26x = 23,873,269,113.87 - Step 5: Solve for x
x = 23,873,269,113.87/161,151.26 - Step 6: Final answer
x = 148,141.99
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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.