Finding the Fourth Proportional to 146,176.26, 201,723.24 and 79,108.26
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Solution
The fourth proportional to 146,176.26, 201,723.24 and 79,108.26 is: 109,169.40
Step by Step Solution
- Step 1: Write the proportion equation
146,176.26 : 201,723.24 = 79,108.26 : x - Step 2: Convert to fraction form
146,176.26/201,723.24 = 79,108.26/x - Step 3: Cross multiply
146,176.26x = 201,723.24 × 79,108.26 - Step 4: Simplify right side
146,176.26x = 15,957,974,517.96 - Step 5: Solve for x
x = 15,957,974,517.96/146,176.26 - Step 6: Final answer
x = 109,169.40
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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.