Finding the Fourth Proportional to 147,110.87, 202,375.94 and 128,879.49
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Solution
The fourth proportional to 147,110.87, 202,375.94 and 128,879.49 is: 177,295.59
Step by Step Solution
- Step 1: Write the proportion equation
147,110.87 : 202,375.94 = 128,879.49 : x - Step 2: Convert to fraction form
147,110.87/202,375.94 = 128,879.49/x - Step 3: Cross multiply
147,110.87x = 202,375.94 × 128,879.49 - Step 4: Simplify right side
147,110.87x = 26,082,107,935.47 - Step 5: Solve for x
x = 26,082,107,935.47/147,110.87 - Step 6: Final answer
x = 177,295.59
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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.