Finding the Fourth Proportional to 106,751.97, 160,217.73 and 53,427.96
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Solution
The fourth proportional to 106,751.97, 160,217.73 and 53,427.96 is: 80,186.87
Step by Step Solution
- Step 1: Write the proportion equation
106,751.97 : 160,217.73 = 53,427.96 : x - Step 2: Convert to fraction form
106,751.97/160,217.73 = 53,427.96/x - Step 3: Cross multiply
106,751.97x = 160,217.73 × 53,427.96 - Step 4: Simplify right side
106,751.97x = 8,560,106,469.73 - Step 5: Solve for x
x = 8,560,106,469.73/106,751.97 - Step 6: Final answer
x = 80,186.87
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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.