Finding the Fourth Proportional to 141,183.25, 194,833.98 and 80,750.26
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Solution
The fourth proportional to 141,183.25, 194,833.98 and 80,750.26 is: 111,435.99
Step by Step Solution
- Step 1: Write the proportion equation
141,183.25 : 194,833.98 = 80,750.26 : x - Step 2: Convert to fraction form
141,183.25/194,833.98 = 80,750.26/x - Step 3: Cross multiply
141,183.25x = 194,833.98 × 80,750.26 - Step 4: Simplify right side
141,183.25x = 15,732,894,541.83 - Step 5: Solve for x
x = 15,732,894,541.83/141,183.25 - Step 6: Final answer
x = 111,435.99
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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.