Finding the Fourth Proportional to 113,832.14, 170,325.32 and 71,514.09
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Solution
The fourth proportional to 113,832.14, 170,325.32 and 71,514.09 is: 107,005.46
Step by Step Solution
- Step 1: Write the proportion equation
113,832.14 : 170,325.32 = 71,514.09 : x - Step 2: Convert to fraction form
113,832.14/170,325.32 = 71,514.09/x - Step 3: Cross multiply
113,832.14x = 170,325.32 × 71,514.09 - Step 4: Simplify right side
113,832.14x = 12,180,659,906.19 - Step 5: Solve for x
x = 12,180,659,906.19/113,832.14 - Step 6: Final answer
x = 107,005.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.