Finding the Fourth Proportional to 166,532.48, 229,819.68 and 91,086.08
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Solution
The fourth proportional to 166,532.48, 229,819.68 and 91,086.08 is: 125,701.45
Step by Step Solution
- Step 1: Write the proportion equation
166,532.48 : 229,819.68 = 91,086.08 : x - Step 2: Convert to fraction form
166,532.48/229,819.68 = 91,086.08/x - Step 3: Cross multiply
166,532.48x = 229,819.68 × 91,086.08 - Step 4: Simplify right side
166,532.48x = 20,933,373,758.05 - Step 5: Solve for x
x = 20,933,373,758.05/166,532.48 - Step 6: Final answer
x = 125,701.45
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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.