Finding the Fourth Proportional to 146,106.26, 201,624.67 and 81,576.49
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Solution
The fourth proportional to 146,106.26, 201,624.67 and 81,576.49 is: 112,574.46
Step by Step Solution
- Step 1: Write the proportion equation
146,106.26 : 201,624.67 = 81,576.49 : x - Step 2: Convert to fraction form
146,106.26/201,624.67 = 81,576.49/x - Step 3: Cross multiply
146,106.26x = 201,624.67 × 81,576.49 - Step 4: Simplify right side
146,106.26x = 16,447,832,876.01 - Step 5: Solve for x
x = 16,447,832,876.01/146,106.26 - Step 6: Final answer
x = 112,574.46
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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.