Finding the Fourth Proportional to 140,822.25, 194,334.75 and 84,246.99
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Solution
The fourth proportional to 140,822.25, 194,334.75 and 84,246.99 is: 116,260.87
Step by Step Solution
- Step 1: Write the proportion equation
140,822.25 : 194,334.75 = 84,246.99 : x - Step 2: Convert to fraction form
140,822.25/194,334.75 = 84,246.99/x - Step 3: Cross multiply
140,822.25x = 194,334.75 × 84,246.99 - Step 4: Simplify right side
140,822.25x = 16,372,117,739.90 - Step 5: Solve for x
x = 16,372,117,739.90/140,822.25 - Step 6: Final answer
x = 116,260.87
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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.