Finding the Fourth Proportional to 126,790.56, 174,976.44 and 70,201.94
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Solution
The fourth proportional to 126,790.56, 174,976.44 and 70,201.94 is: 96,881.70
Step by Step Solution
- Step 1: Write the proportion equation
126,790.56 : 174,976.44 = 70,201.94 : x - Step 2: Convert to fraction form
126,790.56/174,976.44 = 70,201.94/x - Step 3: Cross multiply
126,790.56x = 174,976.44 × 70,201.94 - Step 4: Simplify right side
126,790.56x = 12,283,685,542.29 - Step 5: Solve for x
x = 12,283,685,542.29/126,790.56 - Step 6: Final answer
x = 96,881.70
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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.