Finding the Fourth Proportional to 146,107.98, 201,619.49 and 81,583.29
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Solution
The fourth proportional to 146,107.98, 201,619.49 and 81,583.29 is: 112,579.62
Step by Step Solution
- Step 1: Write the proportion equation
146,107.98 : 201,619.49 = 81,583.29 : x - Step 2: Convert to fraction form
146,107.98/201,619.49 = 81,583.29/x - Step 3: Cross multiply
146,107.98x = 201,619.49 × 81,583.29 - Step 4: Simplify right side
146,107.98x = 16,448,780,914.41 - Step 5: Solve for x
x = 16,448,780,914.41/146,107.98 - Step 6: Final answer
x = 112,579.62
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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.