Finding the Fourth Proportional to 131,956.44, 182,124.26 and 75,367.81
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Solution
The fourth proportional to 131,956.44, 182,124.26 and 75,367.81 is: 104,021.50
Step by Step Solution
- Step 1: Write the proportion equation
131,956.44 : 182,124.26 = 75,367.81 : x - Step 2: Convert to fraction form
131,956.44/182,124.26 = 75,367.81/x - Step 3: Cross multiply
131,956.44x = 182,124.26 × 75,367.81 - Step 4: Simplify right side
131,956.44x = 13,726,306,624.07 - Step 5: Solve for x
x = 13,726,306,624.07/131,956.44 - Step 6: Final answer
x = 104,021.50
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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.