Finding the Fourth Proportional to 106,138.14, 146,468.25 and 58,390.44
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Solution
The fourth proportional to 106,138.14, 146,468.25 and 58,390.44 is: 80,577.50
Step by Step Solution
- Step 1: Write the proportion equation
106,138.14 : 146,468.25 = 58,390.44 : x - Step 2: Convert to fraction form
106,138.14/146,468.25 = 58,390.44/x - Step 3: Cross multiply
106,138.14x = 146,468.25 × 58,390.44 - Step 4: Simplify right side
106,138.14x = 8,552,345,563.53 - Step 5: Solve for x
x = 8,552,345,563.53/106,138.14 - Step 6: Final answer
x = 80,577.50
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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.