Finding the Fourth Proportional to 126,130.26, 174,072.06 and 94,243.80
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Solution
The fourth proportional to 126,130.26, 174,072.06 and 94,243.80 is: 130,065.64
Step by Step Solution
- Step 1: Write the proportion equation
126,130.26 : 174,072.06 = 94,243.80 : x - Step 2: Convert to fraction form
126,130.26/174,072.06 = 94,243.80/x - Step 3: Cross multiply
126,130.26x = 174,072.06 × 94,243.80 - Step 4: Simplify right side
126,130.26x = 16,405,212,408.23 - Step 5: Solve for x
x = 16,405,212,408.23/126,130.26 - Step 6: Final answer
x = 130,065.64
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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.