Finding the Fourth Proportional to 125.99, 188.97 and 122.57
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Solution
The fourth proportional to 125.99, 188.97 and 122.57 is: 183.84
Step by Step Solution
- Step 1: Write the proportion equation
125.99 : 188.97 = 122.57 : x - Step 2: Convert to fraction form
125.99/188.97 = 122.57/x - Step 3: Cross multiply
125.99x = 188.97 × 122.57 - Step 4: Simplify right side
125.99x = 23,161.11 - Step 5: Solve for x
x = 23,161.11/125.99 - Step 6: Final answer
x = 183.84
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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.