Finding the Fourth Proportional to 122,250.40, 168,775.36 and 93,517.04
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Solution
The fourth proportional to 122,250.40, 168,775.36 and 93,517.04 is: 129,106.92
Step by Step Solution
- Step 1: Write the proportion equation
122,250.40 : 168,775.36 = 93,517.04 : x - Step 2: Convert to fraction form
122,250.40/168,775.36 = 93,517.04/x - Step 3: Cross multiply
122,250.40x = 168,775.36 × 93,517.04 - Step 4: Simplify right side
122,250.40x = 15,783,372,092.13 - Step 5: Solve for x
x = 15,783,372,092.13/122,250.40 - Step 6: Final answer
x = 129,106.92
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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.