Finding the Fourth Proportional to 130,283.46, 195,163.11 and 98,747.46
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Solution
The fourth proportional to 130,283.46, 195,163.11 and 98,747.46 is: 147,922.55
Step by Step Solution
- Step 1: Write the proportion equation
130,283.46 : 195,163.11 = 98,747.46 : x - Step 2: Convert to fraction form
130,283.46/195,163.11 = 98,747.46/x - Step 3: Cross multiply
130,283.46x = 195,163.11 × 98,747.46 - Step 4: Simplify right side
130,283.46x = 19,271,861,398.20 - Step 5: Solve for x
x = 19,271,861,398.20/130,283.46 - Step 6: Final answer
x = 147,922.55
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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.