Finding the Fourth Proportional to 192,755.08, 266,000.11 and 107,872.75
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Solution
The fourth proportional to 192,755.08, 266,000.11 and 107,872.75 is: 148,863.33
Step by Step Solution
- Step 1: Write the proportion equation
192,755.08 : 266,000.11 = 107,872.75 : x - Step 2: Convert to fraction form
192,755.08/266,000.11 = 107,872.75/x - Step 3: Cross multiply
192,755.08x = 266,000.11 × 107,872.75 - Step 4: Simplify right side
192,755.08x = 28,694,163,366.00 - Step 5: Solve for x
x = 28,694,163,366.00/192,755.08 - Step 6: Final answer
x = 148,863.33
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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.