Finding the Fourth Proportional to 119,819.70, 165,351.74 and 66,104.70
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Solution
The fourth proportional to 119,819.70, 165,351.74 and 66,104.70 is: 91,224.79
Step by Step Solution
- Step 1: Write the proportion equation
119,819.70 : 165,351.74 = 66,104.70 : x - Step 2: Convert to fraction form
119,819.70/165,351.74 = 66,104.70/x - Step 3: Cross multiply
119,819.70x = 165,351.74 × 66,104.70 - Step 4: Simplify right side
119,819.70x = 10,930,526,836.65 - Step 5: Solve for x
x = 10,930,526,836.65/119,819.70 - Step 6: Final answer
x = 91,224.79
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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.