Finding the Fourth Proportional to 126.97, 174.99 and 95.81
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Solution
The fourth proportional to 126.97, 174.99 and 95.81 is: 132.05
Step by Step Solution
- Step 1: Write the proportion equation
126.97 : 174.99 = 95.81 : x - Step 2: Convert to fraction form
126.97/174.99 = 95.81/x - Step 3: Cross multiply
126.97x = 174.99 × 95.81 - Step 4: Simplify right side
126.97x = 16,765.79 - Step 5: Solve for x
x = 16,765.79/126.97 - Step 6: Final answer
x = 132.05
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.