Finding the Fourth Proportional to 132,680.91, 199,021.36 and 39,193.95
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Solution
The fourth proportional to 132,680.91, 199,021.36 and 39,193.95 is: 58,790.92
Step by Step Solution
- Step 1: Write the proportion equation
132,680.91 : 199,021.36 = 39,193.95 : x - Step 2: Convert to fraction form
132,680.91/199,021.36 = 39,193.95/x - Step 3: Cross multiply
132,680.91x = 199,021.36 × 39,193.95 - Step 4: Simplify right side
132,680.91x = 7,800,433,232.77 - Step 5: Solve for x
x = 7,800,433,232.77/132,680.91 - Step 6: Final answer
x = 58,790.92
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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.