Finding the Fourth Proportional to 126,713.76, 174,903.87 and 73,034.48
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Solution
The fourth proportional to 126,713.76, 174,903.87 and 73,034.48 is: 100,809.99
Step by Step Solution
- Step 1: Write the proportion equation
126,713.76 : 174,903.87 = 73,034.48 : x - Step 2: Convert to fraction form
126,713.76/174,903.87 = 73,034.48/x - Step 3: Cross multiply
126,713.76x = 174,903.87 × 73,034.48 - Step 4: Simplify right side
126,713.76x = 12,774,013,195.44 - Step 5: Solve for x
x = 12,774,013,195.44/126,713.76 - Step 6: Final answer
x = 100,809.99
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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.