Finding the Fourth Proportional to 126,052.21, 173,951.22 and 69,463.63
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Solution
The fourth proportional to 126,052.21, 173,951.22 and 69,463.63 is: 95,859.35
Step by Step Solution
- Step 1: Write the proportion equation
126,052.21 : 173,951.22 = 69,463.63 : x - Step 2: Convert to fraction form
126,052.21/173,951.22 = 69,463.63/x - Step 3: Cross multiply
126,052.21x = 173,951.22 × 69,463.63 - Step 4: Simplify right side
126,052.21x = 12,083,283,184.13 - Step 5: Solve for x
x = 12,083,283,184.13/126,052.21 - Step 6: Final answer
x = 95,859.35
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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.