Finding the Fourth Proportional to 130,458.10, 195,712.26 and 55,576.84
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Solution
The fourth proportional to 130,458.10, 195,712.26 and 55,576.84 is: 83,375.96
Step by Step Solution
- Step 1: Write the proportion equation
130,458.10 : 195,712.26 = 55,576.84 : x - Step 2: Convert to fraction form
130,458.10/195,712.26 = 55,576.84/x - Step 3: Cross multiply
130,458.10x = 195,712.26 × 55,576.84 - Step 4: Simplify right side
130,458.10x = 10,877,068,960.06 - Step 5: Solve for x
x = 10,877,068,960.06/130,458.10 - Step 6: Final answer
x = 83,375.96
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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.