Finding the Fourth Proportional to 136,845.99, 205,272.09 and 108,785.43
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Solution
The fourth proportional to 136,845.99, 205,272.09 and 108,785.43 is: 163,180.61
Step by Step Solution
- Step 1: Write the proportion equation
136,845.99 : 205,272.09 = 108,785.43 : x - Step 2: Convert to fraction form
136,845.99/205,272.09 = 108,785.43/x - Step 3: Cross multiply
136,845.99x = 205,272.09 × 108,785.43 - Step 4: Simplify right side
136,845.99x = 22,330,612,577.65 - Step 5: Solve for x
x = 22,330,612,577.65/136,845.99 - Step 6: Final answer
x = 163,180.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.