Finding the Fourth Proportional to 110,859.06, 166,286.84 and 75,231.96
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Solution
The fourth proportional to 110,859.06, 166,286.84 and 75,231.96 is: 112,846.75
Step by Step Solution
- Step 1: Write the proportion equation
110,859.06 : 166,286.84 = 75,231.96 : x - Step 2: Convert to fraction form
110,859.06/166,286.84 = 75,231.96/x - Step 3: Cross multiply
110,859.06x = 166,286.84 × 75,231.96 - Step 4: Simplify right side
110,859.06x = 12,510,084,519.25 - Step 5: Solve for x
x = 12,510,084,519.25/110,859.06 - Step 6: Final answer
x = 112,846.75
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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.