Finding the Fourth Proportional to 126,757.36, 174,896.58 and 73,030.06
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Solution
The fourth proportional to 126,757.36, 174,896.58 and 73,030.06 is: 100,765.02
Step by Step Solution
- Step 1: Write the proportion equation
126,757.36 : 174,896.58 = 73,030.06 : x - Step 2: Convert to fraction form
126,757.36/174,896.58 = 73,030.06/x - Step 3: Cross multiply
126,757.36x = 174,896.58 × 73,030.06 - Step 4: Simplify right side
126,757.36x = 12,772,707,731.19 - Step 5: Solve for x
x = 12,772,707,731.19/126,757.36 - Step 6: Final answer
x = 100,765.02
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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.