Finding the Fourth Proportional to 132,163.98, 182,134.89 and 129,735.06
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Solution
The fourth proportional to 132,163.98, 182,134.89 and 129,735.06 is: 178,787.60
Step by Step Solution
- Step 1: Write the proportion equation
132,163.98 : 182,134.89 = 129,735.06 : x - Step 2: Convert to fraction form
132,163.98/182,134.89 = 129,735.06/x - Step 3: Cross multiply
132,163.98x = 182,134.89 × 129,735.06 - Step 4: Simplify right side
132,163.98x = 23,629,280,882.24 - Step 5: Solve for x
x = 23,629,280,882.24/132,163.98 - Step 6: Final answer
x = 178,787.60
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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.