Finding the Fourth Proportional to 126,353.56, 174,365.82 and 69,763.48
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Solution
The fourth proportional to 126,353.56, 174,365.82 and 69,763.48 is: 96,272.45
Step by Step Solution
- Step 1: Write the proportion equation
126,353.56 : 174,365.82 = 69,763.48 : x - Step 2: Convert to fraction form
126,353.56/174,365.82 = 69,763.48/x - Step 3: Cross multiply
126,353.56x = 174,365.82 × 69,763.48 - Step 4: Simplify right side
126,353.56x = 12,164,366,396.25 - Step 5: Solve for x
x = 12,164,366,396.25/126,353.56 - Step 6: Final answer
x = 96,272.45
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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.