Finding the Fourth Proportional to 129,163.16, 193,834.11 and 50,277.80
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Solution
The fourth proportional to 129,163.16, 193,834.11 and 50,277.80 is: 75,451.48
Step by Step Solution
- Step 1: Write the proportion equation
129,163.16 : 193,834.11 = 50,277.80 : x - Step 2: Convert to fraction form
129,163.16/193,834.11 = 50,277.80/x - Step 3: Cross multiply
129,163.16x = 193,834.11 × 50,277.80 - Step 4: Simplify right side
129,163.16x = 9,745,551,646.59 - Step 5: Solve for x
x = 9,745,551,646.59/129,163.16 - Step 6: Final answer
x = 75,451.48
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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.