Finding the Fourth Proportional to 147,944.68, 204,163.38 and 80,876.68
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Solution
The fourth proportional to 147,944.68, 204,163.38 and 80,876.68 is: 111,609.67
Step by Step Solution
- Step 1: Write the proportion equation
147,944.68 : 204,163.38 = 80,876.68 : x - Step 2: Convert to fraction form
147,944.68/204,163.38 = 80,876.68/x - Step 3: Cross multiply
147,944.68x = 204,163.38 × 80,876.68 - Step 4: Simplify right side
147,944.68x = 16,512,056,351.98 - Step 5: Solve for x
x = 16,512,056,351.98/147,944.68 - Step 6: Final answer
x = 111,609.67
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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.