Finding the Fourth Proportional to 106,119.77, 146,442.87 and 58,372.09
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Solution
The fourth proportional to 106,119.77, 146,442.87 and 58,372.09 is: 80,552.16
Step by Step Solution
- Step 1: Write the proportion equation
106,119.77 : 146,442.87 = 58,372.09 : x - Step 2: Convert to fraction form
106,119.77/146,442.87 = 58,372.09/x - Step 3: Cross multiply
106,119.77x = 146,442.87 × 58,372.09 - Step 4: Simplify right side
106,119.77x = 8,548,176,021.39 - Step 5: Solve for x
x = 8,548,176,021.39/106,119.77 - Step 6: Final answer
x = 80,552.16
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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.