Finding the Fourth Proportional to 120,965.24, 166,932.38 and 67,251.08
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Solution
The fourth proportional to 120,965.24, 166,932.38 and 67,251.08 is: 92,806.68
Step by Step Solution
- Step 1: Write the proportion equation
120,965.24 : 166,932.38 = 67,251.08 : x - Step 2: Convert to fraction form
120,965.24/166,932.38 = 67,251.08/x - Step 3: Cross multiply
120,965.24x = 166,932.38 × 67,251.08 - Step 4: Simplify right side
120,965.24x = 11,226,382,841.97 - Step 5: Solve for x
x = 11,226,382,841.97/120,965.24 - Step 6: Final answer
x = 92,806.68
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1.5x scale
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.