Finding the Fourth Proportional to 146,243.97, 201,820.37 and 89,686.53
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Solution
The fourth proportional to 146,243.97, 201,820.37 and 89,686.53 is: 123,769.67
Step by Step Solution
- Step 1: Write the proportion equation
146,243.97 : 201,820.37 = 89,686.53 : x - Step 2: Convert to fraction form
146,243.97/201,820.37 = 89,686.53/x - Step 3: Cross multiply
146,243.97x = 201,820.37 × 89,686.53 - Step 4: Simplify right side
146,243.97x = 18,100,568,220.18 - Step 5: Solve for x
x = 18,100,568,220.18/146,243.97 - Step 6: Final answer
x = 123,769.67
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1.5x scale
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.