Finding the Fourth Proportional to 122,250.39, 168,709.08 and 68,536.31
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Solution
The fourth proportional to 122,250.39, 168,709.08 and 68,536.31 is: 94,582.09
Step by Step Solution
- Step 1: Write the proportion equation
122,250.39 : 168,709.08 = 68,536.31 : x - Step 2: Convert to fraction form
122,250.39/168,709.08 = 68,536.31/x - Step 3: Cross multiply
122,250.39x = 168,709.08 × 68,536.31 - Step 4: Simplify right side
122,250.39x = 11,562,696,963.15 - Step 5: Solve for x
x = 11,562,696,963.15/122,250.39 - Step 6: Final answer
x = 94,582.09
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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.