Finding the Fourth Proportional to 125,960.21, 173,817.11 and 69,371.58
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Solution
The fourth proportional to 125,960.21, 173,817.11 and 69,371.58 is: 95,728.39
Step by Step Solution
- Step 1: Write the proportion equation
125,960.21 : 173,817.11 = 69,371.58 : x - Step 2: Convert to fraction form
125,960.21/173,817.11 = 69,371.58/x - Step 3: Cross multiply
125,960.21x = 173,817.11 × 69,371.58 - Step 4: Simplify right side
125,960.21x = 12,057,967,204.88 - Step 5: Solve for x
x = 12,057,967,204.88/125,960.21 - Step 6: Final answer
x = 95,728.39
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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.