Finding the Fourth Proportional to 125,540.07, 173,244.71 and 68,178.99
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Solution
The fourth proportional to 125,540.07, 173,244.71 and 68,178.99 is: 94,086.68
Step by Step Solution
- Step 1: Write the proportion equation
125,540.07 : 173,244.71 = 68,178.99 : x - Step 2: Convert to fraction form
125,540.07/173,244.71 = 68,178.99/x - Step 3: Cross multiply
125,540.07x = 173,244.71 × 68,178.99 - Step 4: Simplify right side
125,540.07x = 11,811,649,009.75 - Step 5: Solve for x
x = 11,811,649,009.75/125,540.07 - Step 6: Final answer
x = 94,086.68
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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.