Finding the Fourth Proportional to 120,370.24, 166,129.68 and 68,687.44
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Solution
The fourth proportional to 120,370.24, 166,129.68 and 68,687.44 is: 94,799.37
Step by Step Solution
- Step 1: Write the proportion equation
120,370.24 : 166,129.68 = 68,687.44 : x - Step 2: Convert to fraction form
120,370.24/166,129.68 = 68,687.44/x - Step 3: Cross multiply
120,370.24x = 166,129.68 × 68,687.44 - Step 4: Simplify right side
120,370.24x = 11,411,022,427.22 - Step 5: Solve for x
x = 11,411,022,427.22/120,370.24 - Step 6: Final answer
x = 94,799.37
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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.