Finding the Fourth Proportional to 146,879.75, 202,695.27 and 79,811.75
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Solution
The fourth proportional to 146,879.75, 202,695.27 and 79,811.75 is: 110,140.88
Step by Step Solution
- Step 1: Write the proportion equation
146,879.75 : 202,695.27 = 79,811.75 : x - Step 2: Convert to fraction form
146,879.75/202,695.27 = 79,811.75/x - Step 3: Cross multiply
146,879.75x = 202,695.27 × 79,811.75 - Step 4: Simplify right side
146,879.75x = 16,177,464,215.42 - Step 5: Solve for x
x = 16,177,464,215.42/146,879.75 - Step 6: Final answer
x = 110,140.88
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1.5x scale
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.