Finding the Fourth Proportional to 126.99, 175.16 and 80.35
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Solution
The fourth proportional to 126.99, 175.16 and 80.35 is: 110.82
Step by Step Solution
- Step 1: Write the proportion equation
126.99 : 175.16 = 80.35 : x - Step 2: Convert to fraction form
126.99/175.16 = 80.35/x - Step 3: Cross multiply
126.99x = 175.16 × 80.35 - Step 4: Simplify right side
126.99x = 14,073.23 - Step 5: Solve for x
x = 14,073.23/126.99 - Step 6: Final answer
x = 110.82
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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.