Finding the Fourth Proportional to 131,117.06, 196,621.36 and 41,129.75
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Solution
The fourth proportional to 131,117.06, 196,621.36 and 41,129.75 is: 61,677.62
Step by Step Solution
- Step 1: Write the proportion equation
131,117.06 : 196,621.36 = 41,129.75 : x - Step 2: Convert to fraction form
131,117.06/196,621.36 = 41,129.75/x - Step 3: Cross multiply
131,117.06x = 196,621.36 × 41,129.75 - Step 4: Simplify right side
131,117.06x = 8,086,987,770.19 - Step 5: Solve for x
x = 8,086,987,770.19/131,117.06 - Step 6: Final answer
x = 61,677.62
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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.