Finding the Fourth Proportional to 126,052.60, 188,900.70 and 69,917.44
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Solution
The fourth proportional to 126,052.60, 188,900.70 and 69,917.44 is: 104,777.32
Step by Step Solution
- Step 1: Write the proportion equation
126,052.60 : 188,900.70 = 69,917.44 : x - Step 2: Convert to fraction form
126,052.60/188,900.70 = 69,917.44/x - Step 3: Cross multiply
126,052.60x = 188,900.70 × 69,917.44 - Step 4: Simplify right side
126,052.60x = 13,207,453,358.21 - Step 5: Solve for x
x = 13,207,453,358.21/126,052.60 - Step 6: Final answer
x = 104,777.32
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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.