Finding the Fourth Proportional to 106,940.88, 160,310.44 and 36,771.12
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Solution
The fourth proportional to 106,940.88, 160,310.44 and 36,771.12 is: 55,121.99
Step by Step Solution
- Step 1: Write the proportion equation
106,940.88 : 160,310.44 = 36,771.12 : x - Step 2: Convert to fraction form
106,940.88/160,310.44 = 36,771.12/x - Step 3: Cross multiply
106,940.88x = 160,310.44 × 36,771.12 - Step 4: Simplify right side
106,940.88x = 5,894,794,426.49 - Step 5: Solve for x
x = 5,894,794,426.49/106,940.88 - Step 6: Final answer
x = 55,121.99
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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.