Finding the Fourth Proportional to 120,467.97, 166,245.62 and 66,756.47
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Solution
The fourth proportional to 120,467.97, 166,245.62 and 66,756.47 is: 92,123.82
Step by Step Solution
- Step 1: Write the proportion equation
120,467.97 : 166,245.62 = 66,756.47 : x - Step 2: Convert to fraction form
120,467.97/166,245.62 = 66,756.47/x - Step 3: Cross multiply
120,467.97x = 166,245.62 × 66,756.47 - Step 4: Simplify right side
120,467.97x = 11,097,969,579.15 - Step 5: Solve for x
x = 11,097,969,579.15/120,467.97 - Step 6: Final answer
x = 92,123.82
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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.