Finding the Fourth Proportional to 126,353.81, 174,363.68 and 69,763.97
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Solution
The fourth proportional to 126,353.81, 174,363.68 and 69,763.97 is: 96,271.75
Step by Step Solution
- Step 1: Write the proportion equation
126,353.81 : 174,363.68 = 69,763.97 : x - Step 2: Convert to fraction form
126,353.81/174,363.68 = 69,763.97/x - Step 3: Cross multiply
126,353.81x = 174,363.68 × 69,763.97 - Step 4: Simplify right side
126,353.81x = 12,164,302,540.61 - Step 5: Solve for x
x = 12,164,302,540.61/126,353.81 - Step 6: Final answer
x = 96,271.75
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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.