Finding the Fourth Proportional to 119,944.23, 165,525.60 and 66,232.62
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Solution
The fourth proportional to 119,944.23, 165,525.60 and 66,232.62 is: 91,402.43
Step by Step Solution
- Step 1: Write the proportion equation
119,944.23 : 165,525.60 = 66,232.62 : x - Step 2: Convert to fraction form
119,944.23/165,525.60 = 66,232.62/x - Step 3: Cross multiply
119,944.23x = 165,525.60 × 66,232.62 - Step 4: Simplify right side
119,944.23x = 10,963,194,165.07 - Step 5: Solve for x
x = 10,963,194,165.07/119,944.23 - Step 6: Final answer
x = 91,402.43
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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.