Finding the Fourth Proportional to 120,568.68, 166,383.96 and 66,853.68
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Solution
The fourth proportional to 120,568.68, 166,383.96 and 66,853.68 is: 92,257.62
Step by Step Solution
- Step 1: Write the proportion equation
120,568.68 : 166,383.96 = 66,853.68 : x - Step 2: Convert to fraction form
120,568.68/166,383.96 = 66,853.68/x - Step 3: Cross multiply
120,568.68x = 166,383.96 × 66,853.68 - Step 4: Simplify right side
120,568.68x = 11,123,380,018.97 - Step 5: Solve for x
x = 11,123,380,018.97/120,568.68 - Step 6: Final answer
x = 92,257.62
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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.