Finding the Fourth Proportional to 135,025.10, 202,537.65 and 84,942.80
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Solution
The fourth proportional to 135,025.10, 202,537.65 and 84,942.80 is: 127,414.20
Step by Step Solution
- Step 1: Write the proportion equation
135,025.10 : 202,537.65 = 84,942.80 : x - Step 2: Convert to fraction form
135,025.10/202,537.65 = 84,942.80/x - Step 3: Cross multiply
135,025.10x = 202,537.65 × 84,942.80 - Step 4: Simplify right side
135,025.10x = 17,204,115,096.42 - Step 5: Solve for x
x = 17,204,115,096.42/135,025.10 - Step 6: Final answer
x = 127,414.20
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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.