Finding the Fourth Proportional to 124,163.56, 186,135.18 and 54,004.60
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Solution
The fourth proportional to 124,163.56, 186,135.18 and 54,004.60 is: 80,958.99
Step by Step Solution
- Step 1: Write the proportion equation
124,163.56 : 186,135.18 = 54,004.60 : x - Step 2: Convert to fraction form
124,163.56/186,135.18 = 54,004.60/x - Step 3: Cross multiply
124,163.56x = 186,135.18 × 54,004.60 - Step 4: Simplify right side
124,163.56x = 10,052,155,941.83 - Step 5: Solve for x
x = 10,052,155,941.83/124,163.56 - Step 6: Final answer
x = 80,958.99
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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.