Finding the Fourth Proportional to 122,251.34, 168,706.73 and 68,536.37
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Solution
The fourth proportional to 122,251.34, 168,706.73 and 68,536.37 is: 94,580.12
Step by Step Solution
- Step 1: Write the proportion equation
122,251.34 : 168,706.73 = 68,536.37 : x - Step 2: Convert to fraction form
122,251.34/168,706.73 = 68,536.37/x - Step 3: Cross multiply
122,251.34x = 168,706.73 × 68,536.37 - Step 4: Simplify right side
122,251.34x = 11,562,546,025.24 - Step 5: Solve for x
x = 11,562,546,025.24/122,251.34 - Step 6: Final answer
x = 94,580.12
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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.