Finding the Fourth Proportional to 141,093.18, 194,639.22 and 102,793.14
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Solution
The fourth proportional to 141,093.18, 194,639.22 and 102,793.14 is: 141,803.99
Step by Step Solution
- Step 1: Write the proportion equation
141,093.18 : 194,639.22 = 102,793.14 : x - Step 2: Convert to fraction form
141,093.18/194,639.22 = 102,793.14/x - Step 3: Cross multiply
141,093.18x = 194,639.22 × 102,793.14 - Step 4: Simplify right side
141,093.18x = 20,007,576,590.95 - Step 5: Solve for x
x = 20,007,576,590.95/141,093.18 - Step 6: Final answer
x = 141,803.99
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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.