Finding the Fourth Proportional to 146,143.53, 201,683.70 and 82,479.96
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Solution
The fourth proportional to 146,143.53, 201,683.70 and 82,479.96 is: 113,825.52
Step by Step Solution
- Step 1: Write the proportion equation
146,143.53 : 201,683.70 = 82,479.96 : x - Step 2: Convert to fraction form
146,143.53/201,683.70 = 82,479.96/x - Step 3: Cross multiply
146,143.53x = 201,683.70 × 82,479.96 - Step 4: Simplify right side
146,143.53x = 16,634,863,508.65 - Step 5: Solve for x
x = 16,634,863,508.65/146,143.53 - Step 6: Final answer
x = 113,825.52
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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.