Finding the Fourth Proportional to 122.92, 184.04 and 107.88
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Solution
The fourth proportional to 122.92, 184.04 and 107.88 is: 161.52
Step by Step Solution
- Step 1: Write the proportion equation
122.92 : 184.04 = 107.88 : x - Step 2: Convert to fraction form
122.92/184.04 = 107.88/x - Step 3: Cross multiply
122.92x = 184.04 × 107.88 - Step 4: Simplify right side
122.92x = 19,854.24 - Step 5: Solve for x
x = 19,854.24/122.92 - Step 6: Final answer
x = 161.52
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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.