Finding the Fourth Proportional to 121,759.44, 168,027.57 and 68,044.44
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Solution
The fourth proportional to 121,759.44, 168,027.57 and 68,044.44 is: 93,901.07
Step by Step Solution
- Step 1: Write the proportion equation
121,759.44 : 168,027.57 = 68,044.44 : x - Step 2: Convert to fraction form
121,759.44/168,027.57 = 68,044.44/x - Step 3: Cross multiply
121,759.44x = 168,027.57 × 68,044.44 - Step 4: Simplify right side
121,759.44x = 11,433,341,905.21 - Step 5: Solve for x
x = 11,433,341,905.21/121,759.44 - Step 6: Final answer
x = 93,901.07
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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.