Finding the Fourth Proportional to 168,770.91, 232,794.12 and 108,245.68
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Solution
The fourth proportional to 168,770.91, 232,794.12 and 108,245.68 is: 149,308.66
Step by Step Solution
- Step 1: Write the proportion equation
168,770.91 : 232,794.12 = 108,245.68 : x - Step 2: Convert to fraction form
168,770.91/232,794.12 = 108,245.68/x - Step 3: Cross multiply
168,770.91x = 232,794.12 × 108,245.68 - Step 4: Simplify right side
168,770.91x = 25,198,957,819.40 - Step 5: Solve for x
x = 25,198,957,819.40/168,770.91 - Step 6: Final answer
x = 149,308.66
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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.