Finding the Fourth Proportional to 160,170.12, 240,125.58 and 66,745.80
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Solution
The fourth proportional to 160,170.12, 240,125.58 and 66,745.80 is: 100,064.69
Step by Step Solution
- Step 1: Write the proportion equation
160,170.12 : 240,125.58 = 66,745.80 : x - Step 2: Convert to fraction form
160,170.12/240,125.58 = 66,745.80/x - Step 3: Cross multiply
160,170.12x = 240,125.58 × 66,745.80 - Step 4: Simplify right side
160,170.12x = 16,027,373,937.56 - Step 5: Solve for x
x = 16,027,373,937.56/160,170.12 - Step 6: Final answer
x = 100,064.69
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1.5x scale
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.