Finding the Fourth Proportional to 106,224.26, 159,389.87 and 66,232.94
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Solution
The fourth proportional to 106,224.26, 159,389.87 and 66,232.94 is: 99,382.75
Step by Step Solution
- Step 1: Write the proportion equation
106,224.26 : 159,389.87 = 66,232.94 : x - Step 2: Convert to fraction form
106,224.26/159,389.87 = 66,232.94/x - Step 3: Cross multiply
106,224.26x = 159,389.87 × 66,232.94 - Step 4: Simplify right side
106,224.26x = 10,556,858,568.20 - Step 5: Solve for x
x = 10,556,858,568.20/106,224.26 - Step 6: Final answer
x = 99,382.75
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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.