Finding the Fourth Proportional to 125,528.30, 173,228.86 and 68,939.68
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Solution
The fourth proportional to 125,528.30, 173,228.86 and 68,939.68 is: 95,136.65
Step by Step Solution
- Step 1: Write the proportion equation
125,528.30 : 173,228.86 = 68,939.68 : x - Step 2: Convert to fraction form
125,528.30/173,228.86 = 68,939.68/x - Step 3: Cross multiply
125,528.30x = 173,228.86 × 68,939.68 - Step 4: Simplify right side
125,528.30x = 11,942,342,175.16 - Step 5: Solve for x
x = 11,942,342,175.16/125,528.30 - Step 6: Final answer
x = 95,136.65
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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.