Finding the Fourth Proportional to 119,140.22, 164,450.41 and 76,698.75
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Solution
The fourth proportional to 119,140.22, 164,450.41 and 76,698.75 is: 105,868.03
Step by Step Solution
- Step 1: Write the proportion equation
119,140.22 : 164,450.41 = 76,698.75 : x - Step 2: Convert to fraction form
119,140.22/164,450.41 = 76,698.75/x - Step 3: Cross multiply
119,140.22x = 164,450.41 × 76,698.75 - Step 4: Simplify right side
119,140.22x = 12,613,140,692.24 - Step 5: Solve for x
x = 12,613,140,692.24/119,140.22 - Step 6: Final answer
x = 105,868.03
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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.