Finding the Fourth Proportional to 140,608.22, 193,837.37 and 100,251.99
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Solution
The fourth proportional to 140,608.22, 193,837.37 and 100,251.99 is: 138,203.74
Step by Step Solution
- Step 1: Write the proportion equation
140,608.22 : 193,837.37 = 100,251.99 : x - Step 2: Convert to fraction form
140,608.22/193,837.37 = 100,251.99/x - Step 3: Cross multiply
140,608.22x = 193,837.37 × 100,251.99 - Step 4: Simplify right side
140,608.22x = 19,432,581,577.61 - Step 5: Solve for x
x = 19,432,581,577.61/140,608.22 - Step 6: Final answer
x = 138,203.74
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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.