Finding the Fourth Proportional to 120,524.75, 166,306.69 and 66,809.75
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Solution
The fourth proportional to 120,524.75, 166,306.69 and 66,809.75 is: 92,187.77
Step by Step Solution
- Step 1: Write the proportion equation
120,524.75 : 166,306.69 = 66,809.75 : x - Step 2: Convert to fraction form
120,524.75/166,306.69 = 66,809.75/x - Step 3: Cross multiply
120,524.75x = 166,306.69 × 66,809.75 - Step 4: Simplify right side
120,524.75x = 11,110,908,382.23 - Step 5: Solve for x
x = 11,110,908,382.23/120,524.75 - Step 6: Final answer
x = 92,187.77
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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.