Finding the Fourth Proportional to 115,617.92, 173,245.44 and 68,845.28
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Solution
The fourth proportional to 115,617.92, 173,245.44 and 68,845.28 is: 103,159.88
Step by Step Solution
- Step 1: Write the proportion equation
115,617.92 : 173,245.44 = 68,845.28 : x - Step 2: Convert to fraction form
115,617.92/173,245.44 = 68,845.28/x - Step 3: Cross multiply
115,617.92x = 173,245.44 × 68,845.28 - Step 4: Simplify right side
115,617.92x = 11,927,130,825.52 - Step 5: Solve for x
x = 11,927,130,825.52/115,617.92 - Step 6: Final answer
x = 103,159.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.