Finding the Fourth Proportional to 132,278.87, 182,546.16 and 71,850.09
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Solution
The fourth proportional to 132,278.87, 182,546.16 and 71,850.09 is: 99,153.83
Step by Step Solution
- Step 1: Write the proportion equation
132,278.87 : 182,546.16 = 71,850.09 : x - Step 2: Convert to fraction form
132,278.87/182,546.16 = 71,850.09/x - Step 3: Cross multiply
132,278.87x = 182,546.16 × 71,850.09 - Step 4: Simplify right side
132,278.87x = 13,115,957,413.44 - Step 5: Solve for x
x = 13,115,957,413.44/132,278.87 - Step 6: Final answer
x = 99,153.83
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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.