Finding the Fourth Proportional to 104,906.28, 144,768.84 and 57,159.96
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Solution
The fourth proportional to 104,906.28, 144,768.84 and 57,159.96 is: 78,879.75
Step by Step Solution
- Step 1: Write the proportion equation
104,906.28 : 144,768.84 = 57,159.96 : x - Step 2: Convert to fraction form
104,906.28/144,768.84 = 57,159.96/x - Step 3: Cross multiply
104,906.28x = 144,768.84 × 57,159.96 - Step 4: Simplify right side
104,906.28x = 8,274,981,103.65 - Step 5: Solve for x
x = 8,274,981,103.65/104,906.28 - Step 6: Final answer
x = 78,879.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.