Finding the Fourth Proportional to 132,635.75, 198,955.68 and 73,845.09
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Solution
The fourth proportional to 132,635.75, 198,955.68 and 73,845.09 is: 110,768.78
Step by Step Solution
- Step 1: Write the proportion equation
132,635.75 : 198,955.68 = 73,845.09 : x - Step 2: Convert to fraction form
132,635.75/198,955.68 = 73,845.09/x - Step 3: Cross multiply
132,635.75x = 198,955.68 × 73,845.09 - Step 4: Simplify right side
132,635.75x = 14,691,900,095.61 - Step 5: Solve for x
x = 14,691,900,095.61/132,635.75 - Step 6: Final answer
x = 110,768.78
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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.