Finding the Fourth Proportional to 116,525.97, 160,832.39 and 82,499.09
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Solution
The fourth proportional to 116,525.97, 160,832.39 and 82,499.09 is: 113,867.53
Step by Step Solution
- Step 1: Write the proportion equation
116,525.97 : 160,832.39 = 82,499.09 : x - Step 2: Convert to fraction form
116,525.97/160,832.39 = 82,499.09/x - Step 3: Cross multiply
116,525.97x = 160,832.39 × 82,499.09 - Step 4: Simplify right side
116,525.97x = 13,268,524,600.87 - Step 5: Solve for x
x = 13,268,524,600.87/116,525.97 - Step 6: Final answer
x = 113,867.53
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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.