Finding the Fourth Proportional to 119,834.93, 165,372.08 and 66,119.94
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Solution
The fourth proportional to 119,834.93, 165,372.08 and 66,119.94 is: 91,245.45
Step by Step Solution
- Step 1: Write the proportion equation
119,834.93 : 165,372.08 = 66,119.94 : x - Step 2: Convert to fraction form
119,834.93/165,372.08 = 66,119.94/x - Step 3: Cross multiply
119,834.93x = 165,372.08 × 66,119.94 - Step 4: Simplify right side
119,834.93x = 10,934,391,676.68 - Step 5: Solve for x
x = 10,934,391,676.68/119,834.93 - Step 6: Final answer
x = 91,245.45
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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.