Finding the Fourth Proportional to 140,752.62, 194,207.41 and 83,363.31
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Solution
The fourth proportional to 140,752.62, 194,207.41 and 83,363.31 is: 115,022.88
Step by Step Solution
- Step 1: Write the proportion equation
140,752.62 : 194,207.41 = 83,363.31 : x - Step 2: Convert to fraction form
140,752.62/194,207.41 = 83,363.31/x - Step 3: Cross multiply
140,752.62x = 194,207.41 × 83,363.31 - Step 4: Simplify right side
140,752.62x = 16,189,772,107.31 - Step 5: Solve for x
x = 16,189,772,107.31/140,752.62 - Step 6: Final answer
x = 115,022.88
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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.