Finding the Fourth Proportional to 136,126.14, 204,198.94 and 36,285.82
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Solution
The fourth proportional to 136,126.14, 204,198.94 and 36,285.82 is: 54,431.32
Step by Step Solution
- Step 1: Write the proportion equation
136,126.14 : 204,198.94 = 36,285.82 : x - Step 2: Convert to fraction form
136,126.14/204,198.94 = 36,285.82/x - Step 3: Cross multiply
136,126.14x = 204,198.94 × 36,285.82 - Step 4: Simplify right side
136,126.14x = 7,409,525,981.03 - Step 5: Solve for x
x = 7,409,525,981.03/136,126.14 - Step 6: Final answer
x = 54,431.32
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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.