Finding the Fourth Proportional to 129,814.26, 194,745.09 and 59,691.75
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Solution
The fourth proportional to 129,814.26, 194,745.09 and 59,691.75 is: 89,548.52
Step by Step Solution
- Step 1: Write the proportion equation
129,814.26 : 194,745.09 = 59,691.75 : x - Step 2: Convert to fraction form
129,814.26/194,745.09 = 59,691.75/x - Step 3: Cross multiply
129,814.26x = 194,745.09 × 59,691.75 - Step 4: Simplify right side
129,814.26x = 11,624,675,226.01 - Step 5: Solve for x
x = 11,624,675,226.01/129,814.26 - Step 6: Final answer
x = 89,548.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.