Finding the Fourth Proportional to 135,884.38, 203,733.53 and 69,195.42
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Solution
The fourth proportional to 135,884.38, 203,733.53 and 69,195.42 is: 103,745.75
Step by Step Solution
- Step 1: Write the proportion equation
135,884.38 : 203,733.53 = 69,195.42 : x - Step 2: Convert to fraction form
135,884.38/203,733.53 = 69,195.42/x - Step 3: Cross multiply
135,884.38x = 203,733.53 × 69,195.42 - Step 4: Simplify right side
135,884.38x = 14,097,427,176.43 - Step 5: Solve for x
x = 14,097,427,176.43/135,884.38 - Step 6: Final answer
x = 103,745.75
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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.