Finding the Fourth Proportional to 106,029.36, 146,370.60 and 67,286.70
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Solution
The fourth proportional to 106,029.36, 146,370.60 and 67,286.70 is: 92,887.43
Step by Step Solution
- Step 1: Write the proportion equation
106,029.36 : 146,370.60 = 67,286.70 : x - Step 2: Convert to fraction form
106,029.36/146,370.60 = 67,286.70/x - Step 3: Cross multiply
106,029.36x = 146,370.60 × 67,286.70 - Step 4: Simplify right side
106,029.36x = 9,848,794,651.02 - Step 5: Solve for x
x = 9,848,794,651.02/106,029.36 - Step 6: Final answer
x = 92,887.43
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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.