Finding the Fourth Proportional to 136,936.75, 205,431.06 and 63,064.75
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Solution
The fourth proportional to 136,936.75, 205,431.06 and 63,064.75 is: 94,609.07
Step by Step Solution
- Step 1: Write the proportion equation
136,936.75 : 205,431.06 = 63,064.75 : x - Step 2: Convert to fraction form
136,936.75/205,431.06 = 63,064.75/x - Step 3: Cross multiply
136,936.75x = 205,431.06 × 63,064.75 - Step 4: Simplify right side
136,936.75x = 12,955,458,441.14 - Step 5: Solve for x
x = 12,955,458,441.14/136,936.75 - Step 6: Final answer
x = 94,609.07
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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.