Finding the Fourth Proportional to 113,922.06, 170,786.16 and 69,579.92
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Solution
The fourth proportional to 113,922.06, 170,786.16 and 69,579.92 is: 104,310.68
Step by Step Solution
- Step 1: Write the proportion equation
113,922.06 : 170,786.16 = 69,579.92 : x - Step 2: Convert to fraction form
113,922.06/170,786.16 = 69,579.92/x - Step 3: Cross multiply
113,922.06x = 170,786.16 × 69,579.92 - Step 4: Simplify right side
113,922.06x = 11,883,287,002.01 - Step 5: Solve for x
x = 11,883,287,002.01/113,922.06 - Step 6: Final answer
x = 104,310.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.