Finding the Fourth Proportional to 163,399.41, 225,464.76 and 102,138.44
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Solution
The fourth proportional to 163,399.41, 225,464.76 and 102,138.44 is: 140,934.52
Step by Step Solution
- Step 1: Write the proportion equation
163,399.41 : 225,464.76 = 102,138.44 : x - Step 2: Convert to fraction form
163,399.41/225,464.76 = 102,138.44/x - Step 3: Cross multiply
163,399.41x = 225,464.76 × 102,138.44 - Step 4: Simplify right side
163,399.41x = 23,028,617,734.05 - Step 5: Solve for x
x = 23,028,617,734.05/163,399.41 - Step 6: Final answer
x = 140,934.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.