Finding the Fourth Proportional to 140,864.24, 194,376.84 and 87,183.92
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Solution
The fourth proportional to 140,864.24, 194,376.84 and 87,183.92 is: 120,304.02
Step by Step Solution
- Step 1: Write the proportion equation
140,864.24 : 194,376.84 = 87,183.92 : x - Step 2: Convert to fraction form
140,864.24/194,376.84 = 87,183.92/x - Step 3: Cross multiply
140,864.24x = 194,376.84 × 87,183.92 - Step 4: Simplify right side
140,864.24x = 16,946,534,868.41 - Step 5: Solve for x
x = 16,946,534,868.41/140,864.24 - Step 6: Final answer
x = 120,304.02
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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.