Finding the Fourth Proportional to 126.13, 189.19 and 44.96
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Solution
The fourth proportional to 126.13, 189.19 and 44.96 is: 67.43
Step by Step Solution
- Step 1: Write the proportion equation
126.13 : 189.19 = 44.96 : x - Step 2: Convert to fraction form
126.13/189.19 = 44.96/x - Step 3: Cross multiply
126.13x = 189.19 × 44.96 - Step 4: Simplify right side
126.13x = 8,504.81 - Step 5: Solve for x
x = 8,504.81/126.13 - Step 6: Final answer
x = 67.43
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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.