Finding the Fourth Proportional to 119,944.91, 165,464.19 and 71,512.68
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Solution
The fourth proportional to 119,944.91, 165,464.19 and 71,512.68 is: 98,651.85
Step by Step Solution
- Step 1: Write the proportion equation
119,944.91 : 165,464.19 = 71,512.68 : x - Step 2: Convert to fraction form
119,944.91/165,464.19 = 71,512.68/x - Step 3: Cross multiply
119,944.91x = 165,464.19 × 71,512.68 - Step 4: Simplify right side
119,944.91x = 11,832,787,670.93 - Step 5: Solve for x
x = 11,832,787,670.93/119,944.91 - Step 6: Final answer
x = 98,651.85
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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.