Finding the Fourth Proportional to 136,571.15, 205,949.63 and 134,701.26
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Solution
The fourth proportional to 136,571.15, 205,949.63 and 134,701.26 is: 203,129.83
Step by Step Solution
- Step 1: Write the proportion equation
136,571.15 : 205,949.63 = 134,701.26 : x - Step 2: Convert to fraction form
136,571.15/205,949.63 = 134,701.26/x - Step 3: Cross multiply
136,571.15x = 205,949.63 × 134,701.26 - Step 4: Simplify right side
136,571.15x = 27,741,673,984.03 - Step 5: Solve for x
x = 27,741,673,984.03/136,571.15 - Step 6: Final answer
x = 203,129.83
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.