Finding the Fourth Proportional to 126,736.24, 174,884.04 and 75,738.84
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Solution
The fourth proportional to 126,736.24, 174,884.04 and 75,738.84 is: 104,512.45
Step by Step Solution
- Step 1: Write the proportion equation
126,736.24 : 174,884.04 = 75,738.84 : x - Step 2: Convert to fraction form
126,736.24/174,884.04 = 75,738.84/x - Step 3: Cross multiply
126,736.24x = 174,884.04 × 75,738.84 - Step 4: Simplify right side
126,736.24x = 13,245,514,324.11 - Step 5: Solve for x
x = 13,245,514,324.11/126,736.24 - Step 6: Final answer
x = 104,512.45
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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.