Finding the Fourth Proportional to 135,180.06, 202,771.71 and 81,883.68
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Solution
The fourth proportional to 135,180.06, 202,771.71 and 81,883.68 is: 122,826.50
Step by Step Solution
- Step 1: Write the proportion equation
135,180.06 : 202,771.71 = 81,883.68 : x - Step 2: Convert to fraction form
135,180.06/202,771.71 = 81,883.68/x - Step 3: Cross multiply
135,180.06x = 202,771.71 × 81,883.68 - Step 4: Simplify right side
135,180.06x = 16,603,693,814.69 - Step 5: Solve for x
x = 16,603,693,814.69/135,180.06 - Step 6: Final answer
x = 122,826.50
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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.