Finding the Fourth Proportional to 146,351.26, 201,974.07 and 89,754.94
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Solution
The fourth proportional to 146,351.26, 201,974.07 and 89,754.94 is: 123,867.54
Step by Step Solution
- Step 1: Write the proportion equation
146,351.26 : 201,974.07 = 89,754.94 : x - Step 2: Convert to fraction form
146,351.26/201,974.07 = 89,754.94/x - Step 3: Cross multiply
146,351.26x = 201,974.07 × 89,754.94 - Step 4: Simplify right side
146,351.26x = 18,128,170,534.41 - Step 5: Solve for x
x = 18,128,170,534.41/146,351.26 - Step 6: Final answer
x = 123,867.54
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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.