Finding the Fourth Proportional to 122,025.24, 168,394.86 and 68,310.36
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Solution
The fourth proportional to 122,025.24, 168,394.86 and 68,310.36 is: 94,268.31
Step by Step Solution
- Step 1: Write the proportion equation
122,025.24 : 168,394.86 = 68,310.36 : x - Step 2: Convert to fraction form
122,025.24/168,394.86 = 68,310.36/x - Step 3: Cross multiply
122,025.24x = 168,394.86 × 68,310.36 - Step 4: Simplify right side
122,025.24x = 11,503,113,508.75 - Step 5: Solve for x
x = 11,503,113,508.75/122,025.24 - Step 6: Final answer
x = 94,268.31
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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.