Finding the Fourth Proportional to 95,163.87, 142,444.49 and 66,953.19
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Solution
The fourth proportional to 95,163.87, 142,444.49 and 66,953.19 is: 100,217.79
Step by Step Solution
- Step 1: Write the proportion equation
95,163.87 : 142,444.49 = 66,953.19 : x - Step 2: Convert to fraction form
95,163.87/142,444.49 = 66,953.19/x - Step 3: Cross multiply
95,163.87x = 142,444.49 × 66,953.19 - Step 4: Simplify right side
95,163.87x = 9,537,112,668.66 - Step 5: Solve for x
x = 9,537,112,668.66/95,163.87 - Step 6: Final answer
x = 100,217.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.