Finding the Fourth Proportional to 168,121.25, 232,021.21 and 96,515.09
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Solution
The fourth proportional to 168,121.25, 232,021.21 and 96,515.09 is: 133,198.79
Step by Step Solution
- Step 1: Write the proportion equation
168,121.25 : 232,021.21 = 96,515.09 : x - Step 2: Convert to fraction form
168,121.25/232,021.21 = 96,515.09/x - Step 3: Cross multiply
168,121.25x = 232,021.21 × 96,515.09 - Step 4: Simplify right side
168,121.25x = 22,393,546,322.38 - Step 5: Solve for x
x = 22,393,546,322.38/168,121.25 - Step 6: Final answer
x = 133,198.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.