Finding the Fourth Proportional to 130,704.05, 196,120.94 and 51,816.53
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Solution
The fourth proportional to 130,704.05, 196,120.94 and 51,816.53 is: 77,750.51
Step by Step Solution
- Step 1: Write the proportion equation
130,704.05 : 196,120.94 = 51,816.53 : x - Step 2: Convert to fraction form
130,704.05/196,120.94 = 51,816.53/x - Step 3: Cross multiply
130,704.05x = 196,120.94 × 51,816.53 - Step 4: Simplify right side
130,704.05x = 10,162,306,312.06 - Step 5: Solve for x
x = 10,162,306,312.06/130,704.05 - Step 6: Final answer
x = 77,750.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.