Finding the Fourth Proportional to 119,917.17, 165,481.34 and 66,201.03
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Solution
The fourth proportional to 119,917.17, 165,481.34 and 66,201.03 is: 91,355.02
Step by Step Solution
- Step 1: Write the proportion equation
119,917.17 : 165,481.34 = 66,201.03 : x - Step 2: Convert to fraction form
119,917.17/165,481.34 = 66,201.03/x - Step 3: Cross multiply
119,917.17x = 165,481.34 × 66,201.03 - Step 4: Simplify right side
119,917.17x = 10,955,035,153.78 - Step 5: Solve for x
x = 10,955,035,153.78/119,917.17 - Step 6: Final answer
x = 91,355.02
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1.5x scale
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.