Finding the Fourth Proportional to 130,571.02, 195,861.17 and 41,812.99
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Solution
The fourth proportional to 130,571.02, 195,861.17 and 41,812.99 is: 62,720.97
Step by Step Solution
- Step 1: Write the proportion equation
130,571.02 : 195,861.17 = 41,812.99 : x - Step 2: Convert to fraction form
130,571.02/195,861.17 = 41,812.99/x - Step 3: Cross multiply
130,571.02x = 195,861.17 × 41,812.99 - Step 4: Simplify right side
130,571.02x = 8,189,541,142.60 - Step 5: Solve for x
x = 8,189,541,142.60/130,571.02 - Step 6: Final answer
x = 62,720.97
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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.