Finding the Fourth Proportional to 122,559.20, 169,125.36 and 68,846.48
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Solution
The fourth proportional to 122,559.20, 169,125.36 and 68,846.48 is: 95,004.58
Step by Step Solution
- Step 1: Write the proportion equation
122,559.20 : 169,125.36 = 68,846.48 : x - Step 2: Convert to fraction form
122,559.20/169,125.36 = 68,846.48/x - Step 3: Cross multiply
122,559.20x = 169,125.36 × 68,846.48 - Step 4: Simplify right side
122,559.20x = 11,643,685,714.73 - Step 5: Solve for x
x = 11,643,685,714.73/122,559.20 - Step 6: Final answer
x = 95,004.58
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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.