Finding the Fourth Proportional to 120,451.02, 166,245.69 and 69,496.68
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Solution
The fourth proportional to 120,451.02, 166,245.69 and 69,496.68 is: 95,918.85
Step by Step Solution
- Step 1: Write the proportion equation
120,451.02 : 166,245.69 = 69,496.68 : x - Step 2: Convert to fraction form
120,451.02/166,245.69 = 69,496.68/x - Step 3: Cross multiply
120,451.02x = 166,245.69 × 69,496.68 - Step 4: Simplify right side
120,451.02x = 11,553,523,519.31 - Step 5: Solve for x
x = 11,553,523,519.31/120,451.02 - Step 6: Final answer
x = 95,918.85
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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.