Finding the Fourth Proportional to 136,382.75, 204,573.70 and 61,415.13
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Solution
The fourth proportional to 136,382.75, 204,573.70 and 61,415.13 is: 92,122.50
Step by Step Solution
- Step 1: Write the proportion equation
136,382.75 : 204,573.70 = 61,415.13 : x - Step 2: Convert to fraction form
136,382.75/204,573.70 = 61,415.13/x - Step 3: Cross multiply
136,382.75x = 204,573.70 × 61,415.13 - Step 4: Simplify right side
136,382.75x = 12,563,920,380.08 - Step 5: Solve for x
x = 12,563,920,380.08/136,382.75 - Step 6: Final answer
x = 92,122.50
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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.