Finding the Fourth Proportional to 143,982.97, 198,680.75 and 101,467.69
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Solution
The fourth proportional to 143,982.97, 198,680.75 and 101,467.69 is: 140,014.31
Step by Step Solution
- Step 1: Write the proportion equation
143,982.97 : 198,680.75 = 101,467.69 : x - Step 2: Convert to fraction form
143,982.97/198,680.75 = 101,467.69/x - Step 3: Cross multiply
143,982.97x = 198,680.75 × 101,467.69 - Step 4: Simplify right side
143,982.97x = 20,159,676,126.43 - Step 5: Solve for x
x = 20,159,676,126.43/143,982.97 - Step 6: Final answer
x = 140,014.31
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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.