Finding the Fourth Proportional to 134,163.80, 201,245.70 and 40,657.40
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Solution
The fourth proportional to 134,163.80, 201,245.70 and 40,657.40 is: 60,986.10
Step by Step Solution
- Step 1: Write the proportion equation
134,163.80 : 201,245.70 = 40,657.40 : x - Step 2: Convert to fraction form
134,163.80/201,245.70 = 40,657.40/x - Step 3: Cross multiply
134,163.80x = 201,245.70 × 40,657.40 - Step 4: Simplify right side
134,163.80x = 8,182,126,923.18 - Step 5: Solve for x
x = 8,182,126,923.18/134,163.80 - Step 6: Final answer
x = 60,986.10
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Similar ratio
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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.