Finding the Fourth Proportional to 132,761.97, 199,135.67 and 53,855.01
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Solution
The fourth proportional to 132,761.97, 199,135.67 and 53,855.01 is: 80,779.56
Step by Step Solution
- Step 1: Write the proportion equation
132,761.97 : 199,135.67 = 53,855.01 : x - Step 2: Convert to fraction form
132,761.97/199,135.67 = 53,855.01/x - Step 3: Cross multiply
132,761.97x = 199,135.67 × 53,855.01 - Step 4: Simplify right side
132,761.97x = 10,724,453,229.93 - Step 5: Solve for x
x = 10,724,453,229.93/132,761.97 - Step 6: Final answer
x = 80,779.56
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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.