Finding the Fourth Proportional to 135.73, 187.26 and 80.44
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Solution
The fourth proportional to 135.73, 187.26 and 80.44 is: 110.99
Step by Step Solution
- Step 1: Write the proportion equation
135.73 : 187.26 = 80.44 : x - Step 2: Convert to fraction form
135.73/187.26 = 80.44/x - Step 3: Cross multiply
135.73x = 187.26 × 80.44 - Step 4: Simplify right side
135.73x = 15,063.93 - Step 5: Solve for x
x = 15,063.93/135.73 - Step 6: Final answer
x = 110.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.