Finding the Fourth Proportional to 121,223.08, 181,879.26 and 51,095.08
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Solution
The fourth proportional to 121,223.08, 181,879.26 and 51,095.08 is: 76,661.44
Step by Step Solution
- Step 1: Write the proportion equation
121,223.08 : 181,879.26 = 51,095.08 : x - Step 2: Convert to fraction form
121,223.08/181,879.26 = 51,095.08/x - Step 3: Cross multiply
121,223.08x = 181,879.26 × 51,095.08 - Step 4: Simplify right side
121,223.08x = 9,293,135,340.04 - Step 5: Solve for x
x = 9,293,135,340.04/121,223.08 - Step 6: Final answer
x = 76,661.44
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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.