Finding the Fourth Proportional to 126,640.62, 175,563.26 and 119,899.26
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Solution
The fourth proportional to 126,640.62, 175,563.26 and 119,899.26 is: 166,217.64
Step by Step Solution
- Step 1: Write the proportion equation
126,640.62 : 175,563.26 = 119,899.26 : x - Step 2: Convert to fraction form
126,640.62/175,563.26 = 119,899.26/x - Step 3: Cross multiply
126,640.62x = 175,563.26 × 119,899.26 - Step 4: Simplify right side
126,640.62x = 21,049,904,957.19 - Step 5: Solve for x
x = 21,049,904,957.19/126,640.62 - Step 6: Final answer
x = 166,217.64
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.