Finding the Fourth Proportional to 132,236.67, 182,486.97 and 71,808.32
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Solution
The fourth proportional to 132,236.67, 182,486.97 and 71,808.32 is: 99,095.68
Step by Step Solution
- Step 1: Write the proportion equation
132,236.67 : 182,486.97 = 71,808.32 : x - Step 2: Convert to fraction form
132,236.67/182,486.97 = 71,808.32/x - Step 3: Cross multiply
132,236.67x = 182,486.97 × 71,808.32 - Step 4: Simplify right side
132,236.67x = 13,104,082,737.59 - Step 5: Solve for x
x = 13,104,082,737.59/132,236.67 - Step 6: Final answer
x = 99,095.68
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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.