Finding the Fourth Proportional to 120,803.44, 166,704.18 and 67,091.92
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Solution
The fourth proportional to 120,803.44, 166,704.18 and 67,091.92 is: 92,584.31
Step by Step Solution
- Step 1: Write the proportion equation
120,803.44 : 166,704.18 = 67,091.92 : x - Step 2: Convert to fraction form
120,803.44/166,704.18 = 67,091.92/x - Step 3: Cross multiply
120,803.44x = 166,704.18 × 67,091.92 - Step 4: Simplify right side
120,803.44x = 11,184,503,508.23 - Step 5: Solve for x
x = 11,184,503,508.23/120,803.44 - Step 6: Final answer
x = 92,584.31
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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.