Finding the Fourth Proportional to 129,136.88, 193,668.42 and 50,232.66
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Solution
The fourth proportional to 129,136.88, 193,668.42 and 50,232.66 is: 75,334.63
Step by Step Solution
- Step 1: Write the proportion equation
129,136.88 : 193,668.42 = 50,232.66 : x - Step 2: Convert to fraction form
129,136.88/193,668.42 = 50,232.66/x - Step 3: Cross multiply
129,136.88x = 193,668.42 × 50,232.66 - Step 4: Simplify right side
129,136.88x = 9,728,479,074.15 - Step 5: Solve for x
x = 9,728,479,074.15/129,136.88 - Step 6: Final answer
x = 75,334.63
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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.