Finding the Fourth Proportional to 100,163.80, 150,027.36 and 50,156.68
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Solution
The fourth proportional to 100,163.80, 150,027.36 and 50,156.68 is: 75,125.69
Step by Step Solution
- Step 1: Write the proportion equation
100,163.80 : 150,027.36 = 50,156.68 : x - Step 2: Convert to fraction form
100,163.80/150,027.36 = 50,156.68/x - Step 3: Cross multiply
100,163.80x = 150,027.36 × 50,156.68 - Step 4: Simplify right side
100,163.80x = 7,524,874,286.76 - Step 5: Solve for x
x = 7,524,874,286.76/100,163.80 - Step 6: Final answer
x = 75,125.69
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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.