Finding the Fourth Proportional to 126.93, 190.11 and 118.44
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Solution
The fourth proportional to 126.93, 190.11 and 118.44 is: 177.39
Step by Step Solution
- Step 1: Write the proportion equation
126.93 : 190.11 = 118.44 : x - Step 2: Convert to fraction form
126.93/190.11 = 118.44/x - Step 3: Cross multiply
126.93x = 190.11 × 118.44 - Step 4: Simplify right side
126.93x = 22,516.63 - Step 5: Solve for x
x = 22,516.63/126.93 - Step 6: Final answer
x = 177.39
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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.