Finding the Fourth Proportional to 120,367.26, 166,087.26 and 69,382.08
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Solution
The fourth proportional to 120,367.26, 166,087.26 and 69,382.08 is: 95,736.00
Step by Step Solution
- Step 1: Write the proportion equation
120,367.26 : 166,087.26 = 69,382.08 : x - Step 2: Convert to fraction form
120,367.26/166,087.26 = 69,382.08/x - Step 3: Cross multiply
120,367.26x = 166,087.26 × 69,382.08 - Step 4: Simplify right side
120,367.26x = 11,523,479,560.30 - Step 5: Solve for x
x = 11,523,479,560.30/120,367.26 - Step 6: Final answer
x = 95,736.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.