Finding the Fourth Proportional to 106,676.87, 160,021.44 and 40,117.55
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Solution
The fourth proportional to 106,676.87, 160,021.44 and 40,117.55 is: 60,178.63
Step by Step Solution
- Step 1: Write the proportion equation
106,676.87 : 160,021.44 = 40,117.55 : x - Step 2: Convert to fraction form
106,676.87/160,021.44 = 40,117.55/x - Step 3: Cross multiply
106,676.87x = 160,021.44 × 40,117.55 - Step 4: Simplify right side
106,676.87x = 6,419,667,320.16 - Step 5: Solve for x
x = 6,419,667,320.16/106,676.87 - Step 6: Final answer
x = 60,178.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.