Finding the Fourth Proportional to 126,122.44, 174,048.88 and 68,761.76
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Solution
The fourth proportional to 126,122.44, 174,048.88 and 68,761.76 is: 94,891.18
Step by Step Solution
- Step 1: Write the proportion equation
126,122.44 : 174,048.88 = 68,761.76 : x - Step 2: Convert to fraction form
126,122.44/174,048.88 = 68,761.76/x - Step 3: Cross multiply
126,122.44x = 174,048.88 × 68,761.76 - Step 4: Simplify right side
126,122.44x = 11,967,907,187.24 - Step 5: Solve for x
x = 11,967,907,187.24/126,122.44 - Step 6: Final answer
x = 94,891.18
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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.