Finding the Fourth Proportional to 126,219.38, 174,186.03 and 68,859.63
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Solution
The fourth proportional to 126,219.38, 174,186.03 and 68,859.63 is: 95,028.09
Step by Step Solution
- Step 1: Write the proportion equation
126,219.38 : 174,186.03 = 68,859.63 : x - Step 2: Convert to fraction form
126,219.38/174,186.03 = 68,859.63/x - Step 3: Cross multiply
126,219.38x = 174,186.03 × 68,859.63 - Step 4: Simplify right side
126,219.38x = 11,994,385,576.97 - Step 5: Solve for x
x = 11,994,385,576.97/126,219.38 - Step 6: Final answer
x = 95,028.09
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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.