Finding the Fourth Proportional to 126.94, 175.08 and 83.26
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Solution
The fourth proportional to 126.94, 175.08 and 83.26 is: 114.84
Step by Step Solution
- Step 1: Write the proportion equation
126.94 : 175.08 = 83.26 : x - Step 2: Convert to fraction form
126.94/175.08 = 83.26/x - Step 3: Cross multiply
126.94x = 175.08 × 83.26 - Step 4: Simplify right side
126.94x = 14,577.16 - Step 5: Solve for x
x = 14,577.16/126.94 - Step 6: Final answer
x = 114.84
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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.