Finding the Fourth Proportional to 141.18, 194.08 and 126.26
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Solution
The fourth proportional to 141.18, 194.08 and 126.26 is: 173.57
Step by Step Solution
- Step 1: Write the proportion equation
141.18 : 194.08 = 126.26 : x - Step 2: Convert to fraction form
141.18/194.08 = 126.26/x - Step 3: Cross multiply
141.18x = 194.08 × 126.26 - Step 4: Simplify right side
141.18x = 24,504.54 - Step 5: Solve for x
x = 24,504.54/141.18 - Step 6: Final answer
x = 173.57
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.