Finding the Fourth Proportional to 106,156.86, 146,496.44 and 58,409.19
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Solution
The fourth proportional to 106,156.86, 146,496.44 and 58,409.19 is: 80,604.66
Step by Step Solution
- Step 1: Write the proportion equation
106,156.86 : 146,496.44 = 58,409.19 : x - Step 2: Convert to fraction form
106,156.86/146,496.44 = 58,409.19/x - Step 3: Cross multiply
106,156.86x = 146,496.44 × 58,409.19 - Step 4: Simplify right side
106,156.86x = 8,556,738,106.24 - Step 5: Solve for x
x = 8,556,738,106.24/106,156.86 - Step 6: Final answer
x = 80,604.66
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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.