Finding the Fourth Proportional to 141,167.02, 194,772.44 and 80,725.18
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Solution
The fourth proportional to 141,167.02, 194,772.44 and 80,725.18 is: 111,378.99
Step by Step Solution
- Step 1: Write the proportion equation
141,167.02 : 194,772.44 = 80,725.18 : x - Step 2: Convert to fraction form
141,167.02/194,772.44 = 80,725.18/x - Step 3: Cross multiply
141,167.02x = 194,772.44 × 80,725.18 - Step 4: Simplify right side
141,167.02x = 15,723,040,278.04 - Step 5: Solve for x
x = 15,723,040,278.04/141,167.02 - Step 6: Final answer
x = 111,378.99
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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.