Finding the Fourth Proportional to 126,241.38, 174,212.73 and 69,652.80
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Solution
The fourth proportional to 126,241.38, 174,212.73 and 69,652.80 is: 96,120.66
Step by Step Solution
- Step 1: Write the proportion equation
126,241.38 : 174,212.73 = 69,652.80 : x - Step 2: Convert to fraction form
126,241.38/174,212.73 = 69,652.80/x - Step 3: Cross multiply
126,241.38x = 174,212.73 × 69,652.80 - Step 4: Simplify right side
126,241.38x = 12,134,404,440.14 - Step 5: Solve for x
x = 12,134,404,440.14/126,241.38 - Step 6: Final answer
x = 96,120.66
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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.