Finding the Fourth Proportional to 141.92, 195.36 and 126.08
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Solution
The fourth proportional to 141.92, 195.36 and 126.08 is: 173.56
Step by Step Solution
- Step 1: Write the proportion equation
141.92 : 195.36 = 126.08 : x - Step 2: Convert to fraction form
141.92/195.36 = 126.08/x - Step 3: Cross multiply
141.92x = 195.36 × 126.08 - Step 4: Simplify right side
141.92x = 24,630.99 - Step 5: Solve for x
x = 24,630.99/141.92 - Step 6: Final answer
x = 173.56
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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.