Finding the Fourth Proportional to 125,879.03, 188,753.61 and 37,120.99
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Solution
The fourth proportional to 125,879.03, 188,753.61 and 37,120.99 is: 55,662.34
Step by Step Solution
- Step 1: Write the proportion equation
125,879.03 : 188,753.61 = 37,120.99 : x - Step 2: Convert to fraction form
125,879.03/188,753.61 = 37,120.99/x - Step 3: Cross multiply
125,879.03x = 188,753.61 × 37,120.99 - Step 4: Simplify right side
125,879.03x = 7,006,720,869.27 - Step 5: Solve for x
x = 7,006,720,869.27/125,879.03 - Step 6: Final answer
x = 55,662.34
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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.