Finding the Fourth Proportional to 143,576.26, 198,101.35 and 120,693.08
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Solution
The fourth proportional to 143,576.26, 198,101.35 and 120,693.08 is: 166,527.96
Step by Step Solution
- Step 1: Write the proportion equation
143,576.26 : 198,101.35 = 120,693.08 : x - Step 2: Convert to fraction form
143,576.26/198,101.35 = 120,693.08/x - Step 3: Cross multiply
143,576.26x = 198,101.35 × 120,693.08 - Step 4: Simplify right side
143,576.26x = 23,909,460,489.69 - Step 5: Solve for x
x = 23,909,460,489.69/143,576.26 - Step 6: Final answer
x = 166,527.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.