Finding the Fourth Proportional to 116.55, 174.60 and 96.09
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Solution
The fourth proportional to 116.55, 174.60 and 96.09 is: 143.95
Step by Step Solution
- Step 1: Write the proportion equation
116.55 : 174.60 = 96.09 : x - Step 2: Convert to fraction form
116.55/174.60 = 96.09/x - Step 3: Cross multiply
116.55x = 174.60 × 96.09 - Step 4: Simplify right side
116.55x = 16,777.31 - Step 5: Solve for x
x = 16,777.31/116.55 - Step 6: Final answer
x = 143.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.