Finding the Fourth Proportional to 145,738.36, 201,118.44 and 82,076.14
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Solution
The fourth proportional to 145,738.36, 201,118.44 and 82,076.14 is: 113,264.79
Step by Step Solution
- Step 1: Write the proportion equation
145,738.36 : 201,118.44 = 82,076.14 : x - Step 2: Convert to fraction form
145,738.36/201,118.44 = 82,076.14/x - Step 3: Cross multiply
145,738.36x = 201,118.44 × 82,076.14 - Step 4: Simplify right side
145,738.36x = 16,507,025,238.02 - Step 5: Solve for x
x = 16,507,025,238.02/145,738.36 - Step 6: Final answer
x = 113,264.79
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1.5x scale
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.