Finding the Fourth Proportional to 117,173.97, 161,699.94 and 63,458.96
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Solution
The fourth proportional to 117,173.97, 161,699.94 and 63,458.96 is: 87,573.28
Step by Step Solution
- Step 1: Write the proportion equation
117,173.97 : 161,699.94 = 63,458.96 : x - Step 2: Convert to fraction form
117,173.97/161,699.94 = 63,458.96/x - Step 3: Cross multiply
117,173.97x = 161,699.94 × 63,458.96 - Step 4: Simplify right side
117,173.97x = 10,261,309,215.96 - Step 5: Solve for x
x = 10,261,309,215.96/117,173.97 - Step 6: Final answer
x = 87,573.28
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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.