Finding the Fourth Proportional to 127,694.08, 176,230.08 and 71,105.44
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Solution
The fourth proportional to 127,694.08, 176,230.08 and 71,105.44 is: 98,132.33
Step by Step Solution
- Step 1: Write the proportion equation
127,694.08 : 176,230.08 = 71,105.44 : x - Step 2: Convert to fraction form
127,694.08/176,230.08 = 71,105.44/x - Step 3: Cross multiply
127,694.08x = 176,230.08 × 71,105.44 - Step 4: Simplify right side
127,694.08x = 12,530,917,379.64 - Step 5: Solve for x
x = 12,530,917,379.64/127,694.08 - Step 6: Final answer
x = 98,132.33
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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.