Finding the Fourth Proportional to 119,179.12, 164,449.36 and 68,183.75
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Solution
The fourth proportional to 119,179.12, 164,449.36 and 68,183.75 is: 94,083.38
Step by Step Solution
- Step 1: Write the proportion equation
119,179.12 : 164,449.36 = 68,183.75 : x - Step 2: Convert to fraction form
119,179.12/164,449.36 = 68,183.75/x - Step 3: Cross multiply
119,179.12x = 164,449.36 × 68,183.75 - Step 4: Simplify right side
119,179.12x = 11,212,774,049.90 - Step 5: Solve for x
x = 11,212,774,049.90/119,179.12 - Step 6: Final answer
x = 94,083.38
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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.