Finding the Fourth Proportional to 146,378.92, 201,922.21 and 101,080.68
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Solution
The fourth proportional to 146,378.92, 201,922.21 and 101,080.68 is: 139,435.61
Step by Step Solution
- Step 1: Write the proportion equation
146,378.92 : 201,922.21 = 101,080.68 : x - Step 2: Convert to fraction form
146,378.92/201,922.21 = 101,080.68/x - Step 3: Cross multiply
146,378.92x = 201,922.21 × 101,080.68 - Step 4: Simplify right side
146,378.92x = 20,410,434,514.57 - Step 5: Solve for x
x = 20,410,434,514.57/146,378.92 - Step 6: Final answer
x = 139,435.61
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1.5x scale
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.