Finding the Fourth Proportional to 168,096.72, 252,163.53 and 83,878.08
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Solution
The fourth proportional to 168,096.72, 252,163.53 and 83,878.08 is: 125,826.33
Step by Step Solution
- Step 1: Write the proportion equation
168,096.72 : 252,163.53 = 83,878.08 : x - Step 2: Convert to fraction form
168,096.72/252,163.53 = 83,878.08/x - Step 3: Cross multiply
168,096.72x = 252,163.53 × 83,878.08 - Step 4: Simplify right side
168,096.72x = 21,150,992,742.42 - Step 5: Solve for x
x = 21,150,992,742.42/168,096.72 - Step 6: Final answer
x = 125,826.33
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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.