Finding the Fourth Proportional to 117,508.97, 162,163.55 and 63,794.43
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Solution
The fourth proportional to 117,508.97, 162,163.55 and 63,794.43 is: 88,036.95
Step by Step Solution
- Step 1: Write the proportion equation
117,508.97 : 162,163.55 = 63,794.43 : x - Step 2: Convert to fraction form
117,508.97/162,163.55 = 63,794.43/x - Step 3: Cross multiply
117,508.97x = 162,163.55 × 63,794.43 - Step 4: Simplify right side
117,508.97x = 10,345,131,239.03 - Step 5: Solve for x
x = 10,345,131,239.03/117,508.97 - Step 6: Final answer
x = 88,036.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.