Finding the Fourth Proportional to 160,872.74, 221,982.09 and 107,192.42
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Solution
The fourth proportional to 160,872.74, 221,982.09 and 107,192.42 is: 147,910.69
Step by Step Solution
- Step 1: Write the proportion equation
160,872.74 : 221,982.09 = 107,192.42 : x - Step 2: Convert to fraction form
160,872.74/221,982.09 = 107,192.42/x - Step 3: Cross multiply
160,872.74x = 221,982.09 × 107,192.42 - Step 4: Simplify right side
160,872.74x = 23,794,797,423.76 - Step 5: Solve for x
x = 23,794,797,423.76/160,872.74 - Step 6: Final answer
x = 147,910.69
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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.