Finding the Fourth Proportional to 131,129.92, 196,850.94 and 125,782.84
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Solution
The fourth proportional to 131,129.92, 196,850.94 and 125,782.84 is: 188,823.96
Step by Step Solution
- Step 1: Write the proportion equation
131,129.92 : 196,850.94 = 125,782.84 : x - Step 2: Convert to fraction form
131,129.92/196,850.94 = 125,782.84/x - Step 3: Cross multiply
131,129.92x = 196,850.94 × 125,782.84 - Step 4: Simplify right side
131,129.92x = 24,760,470,289.87 - Step 5: Solve for x
x = 24,760,470,289.87/131,129.92 - Step 6: Final answer
x = 188,823.96
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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.