Finding the Fourth Proportional to 146,793.12, 202,573.44 and 79,725.12
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Solution
The fourth proportional to 146,793.12, 202,573.44 and 79,725.12 is: 110,020.09
Step by Step Solution
- Step 1: Write the proportion equation
146,793.12 : 202,573.44 = 79,725.12 : x - Step 2: Convert to fraction form
146,793.12/202,573.44 = 79,725.12/x - Step 3: Cross multiply
146,793.12x = 202,573.44 × 79,725.12 - Step 4: Simplify right side
146,793.12x = 16,150,191,812.81 - Step 5: Solve for x
x = 16,150,191,812.81/146,793.12 - Step 6: Final answer
x = 110,020.09
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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.