Finding the Fourth Proportional to 122.03, 183.09 and 108.44
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Solution
The fourth proportional to 122.03, 183.09 and 108.44 is: 162.69
Step by Step Solution
- Step 1: Write the proportion equation
122.03 : 183.09 = 108.44 : x - Step 2: Convert to fraction form
122.03/183.09 = 108.44/x - Step 3: Cross multiply
122.03x = 183.09 × 108.44 - Step 4: Simplify right side
122.03x = 19,853.54 - Step 5: Solve for x
x = 19,853.54/122.03 - Step 6: Final answer
x = 162.69
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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.