Finding the Fourth Proportional to 166,841.36, 230,241.17 and 91,391.12
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Solution
The fourth proportional to 166,841.36, 230,241.17 and 91,391.12 is: 126,119.80
Step by Step Solution
- Step 1: Write the proportion equation
166,841.36 : 230,241.17 = 91,391.12 : x - Step 2: Convert to fraction form
166,841.36/230,241.17 = 91,391.12/x - Step 3: Cross multiply
166,841.36x = 230,241.17 × 91,391.12 - Step 4: Simplify right side
166,841.36x = 21,041,998,396.41 - Step 5: Solve for x
x = 21,041,998,396.41/166,841.36 - Step 6: Final answer
x = 126,119.80
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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.