Finding the Fourth Proportional to 146,716.92, 202,467.60 and 83,067.12
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Solution
The fourth proportional to 146,716.92, 202,467.60 and 83,067.12 is: 114,631.64
Step by Step Solution
- Step 1: Write the proportion equation
146,716.92 : 202,467.60 = 83,067.12 : x - Step 2: Convert to fraction form
146,716.92/202,467.60 = 83,067.12/x - Step 3: Cross multiply
146,716.92x = 202,467.60 × 83,067.12 - Step 4: Simplify right side
146,716.92x = 16,818,400,425.31 - Step 5: Solve for x
x = 16,818,400,425.31/146,716.92 - Step 6: Final answer
x = 114,631.64
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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.