Finding the Fourth Proportional to 120,266.96, 166,014.92 and 107,669.84
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Solution
The fourth proportional to 120,266.96, 166,014.92 and 107,669.84 is: 148,626.02
Step by Step Solution
- Step 1: Write the proportion equation
120,266.96 : 166,014.92 = 107,669.84 : x - Step 2: Convert to fraction form
120,266.96/166,014.92 = 107,669.84/x - Step 3: Cross multiply
120,266.96x = 166,014.92 × 107,669.84 - Step 4: Simplify right side
120,266.96x = 17,874,799,874.01 - Step 5: Solve for x
x = 17,874,799,874.01/120,266.96 - Step 6: Final answer
x = 148,626.02
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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.