Finding the Fourth Proportional to 126,896.97, 190,324.80 and 47,992.44
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Solution
The fourth proportional to 126,896.97, 190,324.80 and 47,992.44 is: 71,980.85
Step by Step Solution
- Step 1: Write the proportion equation
126,896.97 : 190,324.80 = 47,992.44 : x - Step 2: Convert to fraction form
126,896.97/190,324.80 = 47,992.44/x - Step 3: Cross multiply
126,896.97x = 190,324.80 × 47,992.44 - Step 4: Simplify right side
126,896.97x = 9,134,151,544.51 - Step 5: Solve for x
x = 9,134,151,544.51/126,896.97 - Step 6: Final answer
x = 71,980.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.