Finding the Fourth Proportional to 120,464.11, 166,237.99 and 66,748.96
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Solution
The fourth proportional to 120,464.11, 166,237.99 and 66,748.96 is: 92,112.19
Step by Step Solution
- Step 1: Write the proportion equation
120,464.11 : 166,237.99 = 66,748.96 : x - Step 2: Convert to fraction form
120,464.11/166,237.99 = 66,748.96/x - Step 3: Cross multiply
120,464.11x = 166,237.99 × 66,748.96 - Step 4: Simplify right side
120,464.11x = 11,096,212,944.99 - Step 5: Solve for x
x = 11,096,212,944.99/120,464.11 - Step 6: Final answer
x = 92,112.19
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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.