Finding the Fourth Proportional to 146,676.20, 202,396.36 and 82,136.44
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Solution
The fourth proportional to 146,676.20, 202,396.36 and 82,136.44 is: 113,338.88
Step by Step Solution
- Step 1: Write the proportion equation
146,676.20 : 202,396.36 = 82,136.44 : x - Step 2: Convert to fraction form
146,676.20/202,396.36 = 82,136.44/x - Step 3: Cross multiply
146,676.20x = 202,396.36 × 82,136.44 - Step 4: Simplify right side
146,676.20x = 16,624,116,479.36 - Step 5: Solve for x
x = 16,624,116,479.36/146,676.20 - Step 6: Final answer
x = 113,338.88
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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.