Finding the Fourth Proportional to 146,450.88, 202,096.80 and 79,381.44
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Solution
The fourth proportional to 146,450.88, 202,096.80 and 79,381.44 is: 109,543.45
Step by Step Solution
- Step 1: Write the proportion equation
146,450.88 : 202,096.80 = 79,381.44 : x - Step 2: Convert to fraction form
146,450.88/202,096.80 = 79,381.44/x - Step 3: Cross multiply
146,450.88x = 202,096.80 × 79,381.44 - Step 4: Simplify right side
146,450.88x = 16,042,735,003.39 - Step 5: Solve for x
x = 16,042,735,003.39/146,450.88 - Step 6: Final answer
x = 109,543.45
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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.