Finding the Fourth Proportional to 122,470.36, 168,997.44 and 68,743.06
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Solution
The fourth proportional to 122,470.36, 168,997.44 and 68,743.06 is: 94,858.88
Step by Step Solution
- Step 1: Write the proportion equation
122,470.36 : 168,997.44 = 68,743.06 : x - Step 2: Convert to fraction form
122,470.36/168,997.44 = 68,743.06/x - Step 3: Cross multiply
122,470.36x = 168,997.44 × 68,743.06 - Step 4: Simplify right side
122,470.36x = 11,617,401,157.77 - Step 5: Solve for x
x = 11,617,401,157.77/122,470.36 - Step 6: Final answer
x = 94,858.88
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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.