Finding the Fourth Proportional to 106,847.37, 160,129.49 and 56,819.75
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Solution
The fourth proportional to 106,847.37, 160,129.49 and 56,819.75 is: 85,154.33
Step by Step Solution
- Step 1: Write the proportion equation
106,847.37 : 160,129.49 = 56,819.75 : x - Step 2: Convert to fraction form
106,847.37/160,129.49 = 56,819.75/x - Step 3: Cross multiply
106,847.37x = 160,129.49 × 56,819.75 - Step 4: Simplify right side
106,847.37x = 9,098,516,504.68 - Step 5: Solve for x
x = 9,098,516,504.68/106,847.37 - Step 6: Final answer
x = 85,154.33
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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.