Finding the Fourth Proportional to 129,163.02, 193,744.26 and 35,668.50
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Solution
The fourth proportional to 129,163.02, 193,744.26 and 35,668.50 is: 53,502.68
Step by Step Solution
- Step 1: Write the proportion equation
129,163.02 : 193,744.26 = 35,668.50 : x - Step 2: Convert to fraction form
129,163.02/193,744.26 = 35,668.50/x - Step 3: Cross multiply
129,163.02x = 193,744.26 × 35,668.50 - Step 4: Simplify right side
129,163.02x = 6,910,567,137.81 - Step 5: Solve for x
x = 6,910,567,137.81/129,163.02 - Step 6: Final answer
x = 53,502.68
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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.