Finding the Fourth Proportional to 136,770.63, 188,774.97 and 80,200.23
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Solution
The fourth proportional to 136,770.63, 188,774.97 and 80,200.23 is: 110,694.79
Step by Step Solution
- Step 1: Write the proportion equation
136,770.63 : 188,774.97 = 80,200.23 : x - Step 2: Convert to fraction form
136,770.63/188,774.97 = 80,200.23/x - Step 3: Cross multiply
136,770.63x = 188,774.97 × 80,200.23 - Step 4: Simplify right side
136,770.63x = 15,139,795,611.24 - Step 5: Solve for x
x = 15,139,795,611.24/136,770.63 - Step 6: Final answer
x = 110,694.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.