Finding the Fourth Proportional to 104,091.89, 156,138.30 and 25,205.99
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Solution
The fourth proportional to 104,091.89, 156,138.30 and 25,205.99 is: 37,809.09
Step by Step Solution
- Step 1: Write the proportion equation
104,091.89 : 156,138.30 = 25,205.99 : x - Step 2: Convert to fraction form
104,091.89/156,138.30 = 25,205.99/x - Step 3: Cross multiply
104,091.89x = 156,138.30 × 25,205.99 - Step 4: Simplify right side
104,091.89x = 3,935,619,647.73 - Step 5: Solve for x
x = 3,935,619,647.73/104,091.89 - Step 6: Final answer
x = 37,809.09
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1.5x scale
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.