Finding the Fourth Proportional to 141,112.14, 194,734.50 and 80,683.92
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Solution
The fourth proportional to 141,112.14, 194,734.50 and 80,683.92 is: 111,343.66
Step by Step Solution
- Step 1: Write the proportion equation
141,112.14 : 194,734.50 = 80,683.92 : x - Step 2: Convert to fraction form
141,112.14/194,734.50 = 80,683.92/x - Step 3: Cross multiply
141,112.14x = 194,734.50 × 80,683.92 - Step 4: Simplify right side
141,112.14x = 15,711,942,819.24 - Step 5: Solve for x
x = 15,711,942,819.24/141,112.14 - Step 6: Final answer
x = 111,343.66
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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.