Finding the Fourth Proportional to 106,674.87, 160,112.75 and 54,122.07
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Solution
The fourth proportional to 106,674.87, 160,112.75 and 54,122.07 is: 81,234.06
Step by Step Solution
- Step 1: Write the proportion equation
106,674.87 : 160,112.75 = 54,122.07 : x - Step 2: Convert to fraction form
106,674.87/160,112.75 = 54,122.07/x - Step 3: Cross multiply
106,674.87x = 160,112.75 × 54,122.07 - Step 4: Simplify right side
106,674.87x = 8,665,633,192.78 - Step 5: Solve for x
x = 8,665,633,192.78/106,674.87 - Step 6: Final answer
x = 81,234.06
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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.