Finding the Fourth Proportional to 126,836.26, 190,256.25 and 60,283.18
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Solution
The fourth proportional to 126,836.26, 190,256.25 and 60,283.18 is: 90,425.65
Step by Step Solution
- Step 1: Write the proportion equation
126,836.26 : 190,256.25 = 60,283.18 : x - Step 2: Convert to fraction form
126,836.26/190,256.25 = 60,283.18/x - Step 3: Cross multiply
126,836.26x = 190,256.25 × 60,283.18 - Step 4: Simplify right side
126,836.26x = 11,469,251,764.88 - Step 5: Solve for x
x = 11,469,251,764.88/126,836.26 - Step 6: Final answer
x = 90,425.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.