Finding the Fourth Proportional to 130,071.19, 195,107.24 and 36,576.94
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Solution
The fourth proportional to 130,071.19, 195,107.24 and 36,576.94 is: 54,865.54
Step by Step Solution
- Step 1: Write the proportion equation
130,071.19 : 195,107.24 = 36,576.94 : x - Step 2: Convert to fraction form
130,071.19/195,107.24 = 36,576.94/x - Step 3: Cross multiply
130,071.19x = 195,107.24 × 36,576.94 - Step 4: Simplify right side
130,071.19x = 7,136,425,811.05 - Step 5: Solve for x
x = 7,136,425,811.05/130,071.19 - Step 6: Final answer
x = 54,865.54
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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.