Finding the Fourth Proportional to 145,944.99, 201,396.26 and 82,278.69
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Solution
The fourth proportional to 145,944.99, 201,396.26 and 82,278.69 is: 113,540.17
Step by Step Solution
- Step 1: Write the proportion equation
145,944.99 : 201,396.26 = 82,278.69 : x - Step 2: Convert to fraction form
145,944.99/201,396.26 = 82,278.69/x - Step 3: Cross multiply
145,944.99x = 201,396.26 × 82,278.69 - Step 4: Simplify right side
145,944.99x = 16,570,619,436.72 - Step 5: Solve for x
x = 16,570,619,436.72/145,944.99 - Step 6: Final answer
x = 113,540.17
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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.