Finding the Fourth Proportional to 119,936.75, 165,527.30 and 69,635.75
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Solution
The fourth proportional to 119,936.75, 165,527.30 and 69,635.75 is: 96,105.80
Step by Step Solution
- Step 1: Write the proportion equation
119,936.75 : 165,527.30 = 69,635.75 : x - Step 2: Convert to fraction form
119,936.75/165,527.30 = 69,635.75/x - Step 3: Cross multiply
119,936.75x = 165,527.30 × 69,635.75 - Step 4: Simplify right side
119,936.75x = 11,526,617,680.98 - Step 5: Solve for x
x = 11,526,617,680.98/119,936.75 - Step 6: Final answer
x = 96,105.80
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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.