Finding the Fourth Proportional to 168,189.06, 232,097.92 and 91,708.75
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Solution
The fourth proportional to 168,189.06, 232,097.92 and 91,708.75 is: 126,556.45
Step by Step Solution
- Step 1: Write the proportion equation
168,189.06 : 232,097.92 = 91,708.75 : x - Step 2: Convert to fraction form
168,189.06/232,097.92 = 91,708.75/x - Step 3: Cross multiply
168,189.06x = 232,097.92 × 91,708.75 - Step 4: Simplify right side
168,189.06x = 21,285,410,120.80 - Step 5: Solve for x
x = 21,285,410,120.80/168,189.06 - Step 6: Final answer
x = 126,556.45
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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.