Finding the Fourth Proportional to 161,110.41, 222,394.37 and 107,375.82
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Solution
The fourth proportional to 161,110.41, 222,394.37 and 107,375.82 is: 148,219.95
Step by Step Solution
- Step 1: Write the proportion equation
161,110.41 : 222,394.37 = 107,375.82 : x - Step 2: Convert to fraction form
161,110.41/222,394.37 = 107,375.82/x - Step 3: Cross multiply
161,110.41x = 222,394.37 × 107,375.82 - Step 4: Simplify right side
161,110.41x = 23,879,777,305.25 - Step 5: Solve for x
x = 23,879,777,305.25/161,110.41 - Step 6: Final answer
x = 148,219.95
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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.