Finding the Fourth Proportional to 146,173.99, 201,720.11 and 79,105.99
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Solution
The fourth proportional to 146,173.99, 201,720.11 and 79,105.99 is: 109,166.27
Step by Step Solution
- Step 1: Write the proportion equation
146,173.99 : 201,720.11 = 79,105.99 : x - Step 2: Convert to fraction form
146,173.99/201,720.11 = 79,105.99/x - Step 3: Cross multiply
146,173.99x = 201,720.11 × 79,105.99 - Step 4: Simplify right side
146,173.99x = 15,957,269,383.92 - Step 5: Solve for x
x = 15,957,269,383.92/146,173.99 - Step 6: Final answer
x = 109,166.27
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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.