Finding the Fourth Proportional to 130,163.33, 195,022.11 and 71,040.49
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Solution
The fourth proportional to 130,163.33, 195,022.11 and 71,040.49 is: 106,439.09
Step by Step Solution
- Step 1: Write the proportion equation
130,163.33 : 195,022.11 = 71,040.49 : x - Step 2: Convert to fraction form
130,163.33/195,022.11 = 71,040.49/x - Step 3: Cross multiply
130,163.33x = 195,022.11 × 71,040.49 - Step 4: Simplify right side
130,163.33x = 13,854,466,255.23 - Step 5: Solve for x
x = 13,854,466,255.23/130,163.33 - Step 6: Final answer
x = 106,439.09
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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.