Finding the Fourth Proportional to 173,939.06, 260,877.18 and 79,146.92
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Solution
The fourth proportional to 173,939.06, 260,877.18 and 79,146.92 is: 118,706.09
Step by Step Solution
- Step 1: Write the proportion equation
173,939.06 : 260,877.18 = 79,146.92 : x - Step 2: Convert to fraction form
173,939.06/260,877.18 = 79,146.92/x - Step 3: Cross multiply
173,939.06x = 260,877.18 × 79,146.92 - Step 4: Simplify right side
173,939.06x = 20,647,625,295.29 - Step 5: Solve for x
x = 20,647,625,295.29/173,939.06 - Step 6: Final answer
x = 118,706.09
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1.5x scale
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.