Finding the Fourth Proportional to 126,074.14, 173,980.02 and 68,713.96
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Solution
The fourth proportional to 126,074.14, 173,980.02 and 68,713.96 is: 94,824.01
Step by Step Solution
- Step 1: Write the proportion equation
126,074.14 : 173,980.02 = 68,713.96 : x - Step 2: Convert to fraction form
126,074.14/173,980.02 = 68,713.96/x - Step 3: Cross multiply
126,074.14x = 173,980.02 × 68,713.96 - Step 4: Simplify right side
126,074.14x = 11,954,856,135.08 - Step 5: Solve for x
x = 11,954,856,135.08/126,074.14 - Step 6: Final answer
x = 94,824.01
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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.