Finding the Fourth Proportional to 130,099.20, 195,014.61 and 63,456.99
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Solution
The fourth proportional to 130,099.20, 195,014.61 and 63,456.99 is: 95,120.03
Step by Step Solution
- Step 1: Write the proportion equation
130,099.20 : 195,014.61 = 63,456.99 : x - Step 2: Convert to fraction form
130,099.20/195,014.61 = 63,456.99/x - Step 3: Cross multiply
130,099.20x = 195,014.61 × 63,456.99 - Step 4: Simplify right side
130,099.20x = 12,375,040,156.62 - Step 5: Solve for x
x = 12,375,040,156.62/130,099.20 - Step 6: Final answer
x = 95,120.03
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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.