Finding the Fourth Proportional to 125,481.36, 173,158.36 and 68,119.41
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Solution
The fourth proportional to 125,481.36, 173,158.36 and 68,119.41 is: 94,001.57
Step by Step Solution
- Step 1: Write the proportion equation
125,481.36 : 173,158.36 = 68,119.41 : x - Step 2: Convert to fraction form
125,481.36/173,158.36 = 68,119.41/x - Step 3: Cross multiply
125,481.36x = 173,158.36 × 68,119.41 - Step 4: Simplify right side
125,481.36x = 11,795,445,319.77 - Step 5: Solve for x
x = 11,795,445,319.77/125,481.36 - Step 6: Final answer
x = 94,001.57
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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.