Finding the Fourth Proportional to 117,176.97, 161,704.49 and 63,461.82
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Solution
The fourth proportional to 117,176.97, 161,704.49 and 63,461.82 is: 87,577.46
Step by Step Solution
- Step 1: Write the proportion equation
117,176.97 : 161,704.49 = 63,461.82 : x - Step 2: Convert to fraction form
117,176.97/161,704.49 = 63,461.82/x - Step 3: Cross multiply
117,176.97x = 161,704.49 × 63,461.82 - Step 4: Simplify right side
117,176.97x = 10,262,060,920.26 - Step 5: Solve for x
x = 10,262,060,920.26/117,176.97 - Step 6: Final answer
x = 87,577.46
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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.