Finding the Fourth Proportional to 106,163.57, 159,245.36 and 27,277.79
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Solution
The fourth proportional to 106,163.57, 159,245.36 and 27,277.79 is: 40,916.69
Step by Step Solution
- Step 1: Write the proportion equation
106,163.57 : 159,245.36 = 27,277.79 : x - Step 2: Convert to fraction form
106,163.57/159,245.36 = 27,277.79/x - Step 3: Cross multiply
106,163.57x = 159,245.36 × 27,277.79 - Step 4: Simplify right side
106,163.57x = 4,343,861,488.55 - Step 5: Solve for x
x = 4,343,861,488.55/106,163.57 - Step 6: Final answer
x = 40,916.69
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Similar ratio
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1.5x scale
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.