Finding the Fourth Proportional to 125,887.44, 188,806.08 and 80,775.36
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Solution
The fourth proportional to 125,887.44, 188,806.08 and 80,775.36 is: 121,146.95
Step by Step Solution
- Step 1: Write the proportion equation
125,887.44 : 188,806.08 = 80,775.36 : x - Step 2: Convert to fraction form
125,887.44/188,806.08 = 80,775.36/x - Step 3: Cross multiply
125,887.44x = 188,806.08 × 80,775.36 - Step 4: Simplify right side
125,887.44x = 15,250,879,082.19 - Step 5: Solve for x
x = 15,250,879,082.19/125,887.44 - Step 6: Final answer
x = 121,146.95
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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.