Finding the Fourth Proportional to 140,634.14, 194,169.08 and 83,291.91
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Solution
The fourth proportional to 140,634.14, 194,169.08 and 83,291.91 is: 114,998.49
Step by Step Solution
- Step 1: Write the proportion equation
140,634.14 : 194,169.08 = 83,291.91 : x - Step 2: Convert to fraction form
140,634.14/194,169.08 = 83,291.91/x - Step 3: Cross multiply
140,634.14x = 194,169.08 × 83,291.91 - Step 4: Simplify right side
140,634.14x = 16,172,713,016.24 - Step 5: Solve for x
x = 16,172,713,016.24/140,634.14 - Step 6: Final answer
x = 114,998.49
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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.