Finding the Fourth Proportional to 146,844.92, 202,639.48 and 83,181.44
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Solution
The fourth proportional to 146,844.92, 202,639.48 and 83,181.44 is: 114,786.70
Step by Step Solution
- Step 1: Write the proportion equation
146,844.92 : 202,639.48 = 83,181.44 : x - Step 2: Convert to fraction form
146,844.92/202,639.48 = 83,181.44/x - Step 3: Cross multiply
146,844.92x = 202,639.48 × 83,181.44 - Step 4: Simplify right side
146,844.92x = 16,855,843,747.25 - Step 5: Solve for x
x = 16,855,843,747.25/146,844.92 - Step 6: Final answer
x = 114,786.70
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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.