Finding the Fourth Proportional to 111,047.25, 153,245.21 and 60,059.99
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Solution
The fourth proportional to 111,047.25, 153,245.21 and 60,059.99 is: 82,882.78
Step by Step Solution
- Step 1: Write the proportion equation
111,047.25 : 153,245.21 = 60,059.99 : x - Step 2: Convert to fraction form
111,047.25/153,245.21 = 60,059.99/x - Step 3: Cross multiply
111,047.25x = 153,245.21 × 60,059.99 - Step 4: Simplify right side
111,047.25x = 9,203,904,713.62 - Step 5: Solve for x
x = 9,203,904,713.62/111,047.25 - Step 6: Final answer
x = 82,882.78
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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.