Finding the Fourth Proportional to 124,183.40, 186,253.02 and 53,145.99
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Solution
The fourth proportional to 124,183.40, 186,253.02 and 53,145.99 is: 79,709.54
Step by Step Solution
- Step 1: Write the proportion equation
124,183.40 : 186,253.02 = 53,145.99 : x - Step 2: Convert to fraction form
124,183.40/186,253.02 = 53,145.99/x - Step 3: Cross multiply
124,183.40x = 186,253.02 × 53,145.99 - Step 4: Simplify right side
124,183.40x = 9,898,601,138.39 - Step 5: Solve for x
x = 9,898,601,138.39/124,183.40 - Step 6: Final answer
x = 79,709.54
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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.