Finding the Fourth Proportional to 113,843.97, 157,092.75 and 66,087.99
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Solution
The fourth proportional to 113,843.97, 157,092.75 and 66,087.99 is: 91,194.50
Step by Step Solution
- Step 1: Write the proportion equation
113,843.97 : 157,092.75 = 66,087.99 : x - Step 2: Convert to fraction form
113,843.97/157,092.75 = 66,087.99/x - Step 3: Cross multiply
113,843.97x = 157,092.75 × 66,087.99 - Step 4: Simplify right side
113,843.97x = 10,381,944,091.07 - Step 5: Solve for x
x = 10,381,944,091.07/113,843.97 - Step 6: Final answer
x = 91,194.50
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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.