Finding the Fourth Proportional to 68,170.20, 102,260.42 and 18,249.19
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Solution
The fourth proportional to 68,170.20, 102,260.42 and 18,249.19 is: 27,375.15
Step by Step Solution
- Step 1: Write the proportion equation
68,170.20 : 102,260.42 = 18,249.19 : x - Step 2: Convert to fraction form
68,170.20/102,260.42 = 18,249.19/x - Step 3: Cross multiply
68,170.20x = 102,260.42 × 18,249.19 - Step 4: Simplify right side
68,170.20x = 1,866,169,231.51 - Step 5: Solve for x
x = 1,866,169,231.51/68,170.20 - Step 6: Final answer
x = 27,375.15
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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.