Finding the Fourth Proportional to 106,105.26, 159,157.98 and 27,219.54
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Solution
The fourth proportional to 106,105.26, 159,157.98 and 27,219.54 is: 40,829.33
Step by Step Solution
- Step 1: Write the proportion equation
106,105.26 : 159,157.98 = 27,219.54 : x - Step 2: Convert to fraction form
106,105.26/159,157.98 = 27,219.54/x - Step 3: Cross multiply
106,105.26x = 159,157.98 × 27,219.54 - Step 4: Simplify right side
106,105.26x = 4,332,207,002.93 - Step 5: Solve for x
x = 4,332,207,002.93/106,105.26 - Step 6: Final answer
x = 40,829.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.