Finding the Fourth Proportional to 136,891.08, 204,906.44 and 87,027.48
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Solution
The fourth proportional to 136,891.08, 204,906.44 and 87,027.48 is: 130,267.74
Step by Step Solution
- Step 1: Write the proportion equation
136,891.08 : 204,906.44 = 87,027.48 : x - Step 2: Convert to fraction form
136,891.08/204,906.44 = 87,027.48/x - Step 3: Cross multiply
136,891.08x = 204,906.44 × 87,027.48 - Step 4: Simplify right side
136,891.08x = 17,832,491,108.97 - Step 5: Solve for x
x = 17,832,491,108.97/136,891.08 - Step 6: Final answer
x = 130,267.74
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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.