Finding the Fourth Proportional to 104,831.24, 157,115.60 and 82,556.66
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Solution
The fourth proportional to 104,831.24, 157,115.60 and 82,556.66 is: 123,731.62
Step by Step Solution
- Step 1: Write the proportion equation
104,831.24 : 157,115.60 = 82,556.66 : x - Step 2: Convert to fraction form
104,831.24/157,115.60 = 82,556.66/x - Step 3: Cross multiply
104,831.24x = 157,115.60 × 82,556.66 - Step 4: Simplify right side
104,831.24x = 12,970,939,169.90 - Step 5: Solve for x
x = 12,970,939,169.90/104,831.24 - Step 6: Final answer
x = 123,731.62
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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.