Finding the Fourth Proportional to 146,104.26, 201,621.92 and 81,574.49
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Solution
The fourth proportional to 146,104.26, 201,621.92 and 81,574.49 is: 112,571.69
Step by Step Solution
- Step 1: Write the proportion equation
146,104.26 : 201,621.92 = 81,574.49 : x - Step 2: Convert to fraction form
146,104.26/201,621.92 = 81,574.49/x - Step 3: Cross multiply
146,104.26x = 201,621.92 × 81,574.49 - Step 4: Simplify right side
146,104.26x = 16,447,203,880.84 - Step 5: Solve for x
x = 16,447,203,880.84/146,104.26 - Step 6: Final answer
x = 112,571.69
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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.