Finding the Fourth Proportional to 125,907.40, 188,861.10 and 37,163.80
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Solution
The fourth proportional to 125,907.40, 188,861.10 and 37,163.80 is: 55,745.70
Step by Step Solution
- Step 1: Write the proportion equation
125,907.40 : 188,861.10 = 37,163.80 : x - Step 2: Convert to fraction form
125,907.40/188,861.10 = 37,163.80/x - Step 3: Cross multiply
125,907.40x = 188,861.10 × 37,163.80 - Step 4: Simplify right side
125,907.40x = 7,018,796,148.18 - Step 5: Solve for x
x = 7,018,796,148.18/125,907.40 - Step 6: Final answer
x = 55,745.70
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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.