Finding the Fourth Proportional to 131.29, 181.16 and 92.03
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Solution
The fourth proportional to 131.29, 181.16 and 92.03 is: 126.99
Step by Step Solution
- Step 1: Write the proportion equation
131.29 : 181.16 = 92.03 : x - Step 2: Convert to fraction form
131.29/181.16 = 92.03/x - Step 3: Cross multiply
131.29x = 181.16 × 92.03 - Step 4: Simplify right side
131.29x = 16,672.15 - Step 5: Solve for x
x = 16,672.15/131.29 - Step 6: Final answer
x = 126.99
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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.