Finding the Fourth Proportional to 140,737.46, 194,217.99 and 76,207.40
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Solution
The fourth proportional to 140,737.46, 194,217.99 and 76,207.40 is: 105,166.37
Step by Step Solution
- Step 1: Write the proportion equation
140,737.46 : 194,217.99 = 76,207.40 : x - Step 2: Convert to fraction form
140,737.46/194,217.99 = 76,207.40/x - Step 3: Cross multiply
140,737.46x = 194,217.99 × 76,207.40 - Step 4: Simplify right side
140,737.46x = 14,800,848,051.13 - Step 5: Solve for x
x = 14,800,848,051.13/140,737.46 - Step 6: Final answer
x = 105,166.37
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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.