Finding the Fourth Proportional to 120,556.68, 166,367.40 and 66,841.70
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Solution
The fourth proportional to 120,556.68, 166,367.40 and 66,841.70 is: 92,241.09
Step by Step Solution
- Step 1: Write the proportion equation
120,556.68 : 166,367.40 = 66,841.70 : x - Step 2: Convert to fraction form
120,556.68/166,367.40 = 66,841.70/x - Step 3: Cross multiply
120,556.68x = 166,367.40 × 66,841.70 - Step 4: Simplify right side
120,556.68x = 11,120,279,840.58 - Step 5: Solve for x
x = 11,120,279,840.58/120,556.68 - Step 6: Final answer
x = 92,241.09
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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.