Finding the Fourth Proportional to 126,105.74, 174,074.49 and 92,382.07
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Solution
The fourth proportional to 126,105.74, 174,074.49 and 92,382.07 is: 127,522.84
Step by Step Solution
- Step 1: Write the proportion equation
126,105.74 : 174,074.49 = 92,382.07 : x - Step 2: Convert to fraction form
126,105.74/174,074.49 = 92,382.07/x - Step 3: Cross multiply
126,105.74x = 174,074.49 × 92,382.07 - Step 4: Simplify right side
126,105.74x = 16,081,361,285.21 - Step 5: Solve for x
x = 16,081,361,285.21/126,105.74 - Step 6: Final answer
x = 127,522.84
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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.