Finding the Fourth Proportional to 119,747.05, 165,249.71 and 65,299.08
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Solution
The fourth proportional to 119,747.05, 165,249.71 and 65,299.08 is: 90,112.06
Step by Step Solution
- Step 1: Write the proportion equation
119,747.05 : 165,249.71 = 65,299.08 : x - Step 2: Convert to fraction form
119,747.05/165,249.71 = 65,299.08/x - Step 3: Cross multiply
119,747.05x = 165,249.71 × 65,299.08 - Step 4: Simplify right side
119,747.05x = 10,790,652,880.52 - Step 5: Solve for x
x = 10,790,652,880.52/119,747.05 - Step 6: Final answer
x = 90,112.06
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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.