Finding the Fourth Proportional to 115,450.75, 173,163.93 and 54,646.45
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Solution
The fourth proportional to 115,450.75, 173,163.93 and 54,646.45 is: 81,963.90
Step by Step Solution
- Step 1: Write the proportion equation
115,450.75 : 173,163.93 = 54,646.45 : x - Step 2: Convert to fraction form
115,450.75/173,163.93 = 54,646.45/x - Step 3: Cross multiply
115,450.75x = 173,163.93 × 54,646.45 - Step 4: Simplify right side
115,450.75x = 9,462,794,042.55 - Step 5: Solve for x
x = 9,462,794,042.55/115,450.75 - Step 6: Final answer
x = 81,963.90
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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.