Finding the Fourth Proportional to 122,604.12, 169,193.85 and 68,889.09
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Solution
The fourth proportional to 122,604.12, 169,193.85 and 68,889.09 is: 95,067.04
Step by Step Solution
- Step 1: Write the proportion equation
122,604.12 : 169,193.85 = 68,889.09 : x - Step 2: Convert to fraction form
122,604.12/169,193.85 = 68,889.09/x - Step 3: Cross multiply
122,604.12x = 169,193.85 × 68,889.09 - Step 4: Simplify right side
122,604.12x = 11,655,610,360.10 - Step 5: Solve for x
x = 11,655,610,360.10/122,604.12 - Step 6: Final answer
x = 95,067.04
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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.