Finding the Fourth Proportional to 125,816.20, 173,623.17 and 68,453.08
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Solution
The fourth proportional to 125,816.20, 173,623.17 and 68,453.08 is: 94,463.52
Step by Step Solution
- Step 1: Write the proportion equation
125,816.20 : 173,623.17 = 68,453.08 : x - Step 2: Convert to fraction form
125,816.20/173,623.17 = 68,453.08/x - Step 3: Cross multiply
125,816.20x = 173,623.17 × 68,453.08 - Step 4: Simplify right side
125,816.20x = 11,885,040,745.86 - Step 5: Solve for x
x = 11,885,040,745.86/125,816.20 - Step 6: Final answer
x = 94,463.52
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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.