Finding the Fourth Proportional to 125,126.28, 172,676.79 and 68,537.70
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Solution
The fourth proportional to 125,126.28, 172,676.79 and 68,537.70 is: 94,583.41
Step by Step Solution
- Step 1: Write the proportion equation
125,126.28 : 172,676.79 = 68,537.70 : x - Step 2: Convert to fraction form
125,126.28/172,676.79 = 68,537.70/x - Step 3: Cross multiply
125,126.28x = 172,676.79 × 68,537.70 - Step 4: Simplify right side
125,126.28x = 11,834,870,029.98 - Step 5: Solve for x
x = 11,834,870,029.98/125,126.28 - Step 6: Final answer
x = 94,583.41
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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.