Finding the Fourth Proportional to 136,361.87, 204,121.56 and 88,874.81
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Solution
The fourth proportional to 136,361.87, 204,121.56 and 88,874.81 is: 133,037.66
Step by Step Solution
- Step 1: Write the proportion equation
136,361.87 : 204,121.56 = 88,874.81 : x - Step 2: Convert to fraction form
136,361.87/204,121.56 = 88,874.81/x - Step 3: Cross multiply
136,361.87x = 204,121.56 × 88,874.81 - Step 4: Simplify right side
136,361.87x = 18,141,263,841.30 - Step 5: Solve for x
x = 18,141,263,841.30/136,361.87 - Step 6: Final answer
x = 133,037.66
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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.