Finding the Fourth Proportional to 106,126.14, 146,451.69 and 58,378.44
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Solution
The fourth proportional to 106,126.14, 146,451.69 and 58,378.44 is: 80,560.94
Step by Step Solution
- Step 1: Write the proportion equation
106,126.14 : 146,451.69 = 58,378.44 : x - Step 2: Convert to fraction form
106,126.14/146,451.69 = 58,378.44/x - Step 3: Cross multiply
106,126.14x = 146,451.69 × 58,378.44 - Step 4: Simplify right side
106,126.14x = 8,549,621,197.56 - Step 5: Solve for x
x = 8,549,621,197.56/106,126.14 - Step 6: Final answer
x = 80,560.94
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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.