Finding the Fourth Proportional to 163,640.10, 225,819.42 and 107,050.26
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Solution
The fourth proportional to 163,640.10, 225,819.42 and 107,050.26 is: 147,726.80
Step by Step Solution
- Step 1: Write the proportion equation
163,640.10 : 225,819.42 = 107,050.26 : x - Step 2: Convert to fraction form
163,640.10/225,819.42 = 107,050.26/x - Step 3: Cross multiply
163,640.10x = 225,819.42 × 107,050.26 - Step 4: Simplify right side
163,640.10x = 24,174,027,624.05 - Step 5: Solve for x
x = 24,174,027,624.05/163,640.10 - Step 6: Final answer
x = 147,726.80
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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.