Finding the Fourth Proportional to 117.18, 175.44 and 94.26
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Solution
The fourth proportional to 117.18, 175.44 and 94.26 is: 141.12
Step by Step Solution
- Step 1: Write the proportion equation
117.18 : 175.44 = 94.26 : x - Step 2: Convert to fraction form
117.18/175.44 = 94.26/x - Step 3: Cross multiply
117.18x = 175.44 × 94.26 - Step 4: Simplify right side
117.18x = 16,536.97 - Step 5: Solve for x
x = 16,536.97/117.18 - Step 6: Final answer
x = 141.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.