Finding the Fourth Proportional to 135,452.07, 202,984.52 and 76,163.31
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Solution
The fourth proportional to 135,452.07, 202,984.52 and 76,163.31 is: 114,136.11
Step by Step Solution
- Step 1: Write the proportion equation
135,452.07 : 202,984.52 = 76,163.31 : x - Step 2: Convert to fraction form
135,452.07/202,984.52 = 76,163.31/x - Step 3: Cross multiply
135,452.07x = 202,984.52 × 76,163.31 - Step 4: Simplify right side
135,452.07x = 15,459,972,541.14 - Step 5: Solve for x
x = 15,459,972,541.14/135,452.07 - Step 6: Final answer
x = 114,136.11
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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.