Finding the Fourth Proportional to 145,786.26, 201,181.23 and 82,120.26
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Solution
The fourth proportional to 145,786.26, 201,181.23 and 82,120.26 is: 113,323.81
Step by Step Solution
- Step 1: Write the proportion equation
145,786.26 : 201,181.23 = 82,120.26 : x - Step 2: Convert to fraction form
145,786.26/201,181.23 = 82,120.26/x - Step 3: Cross multiply
145,786.26x = 201,181.23 × 82,120.26 - Step 4: Simplify right side
145,786.26x = 16,521,054,914.72 - Step 5: Solve for x
x = 16,521,054,914.72/145,786.26 - Step 6: Final answer
x = 113,323.81
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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.