Finding the Fourth Proportional to 126,180.99, 174,148.65 and 80,910.09
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Solution
The fourth proportional to 126,180.99, 174,148.65 and 80,910.09 is: 111,668.03
Step by Step Solution
- Step 1: Write the proportion equation
126,180.99 : 174,148.65 = 80,910.09 : x - Step 2: Convert to fraction form
126,180.99/174,148.65 = 80,910.09/x - Step 3: Cross multiply
126,180.99x = 174,148.65 × 80,910.09 - Step 4: Simplify right side
126,180.99x = 14,090,382,944.88 - Step 5: Solve for x
x = 14,090,382,944.88/126,180.99 - Step 6: Final answer
x = 111,668.03
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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.