Finding the Fourth Proportional to 122,885.19, 184,091.58 and 75,361.68
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Solution
The fourth proportional to 122,885.19, 184,091.58 and 75,361.68 is: 112,897.66
Step by Step Solution
- Step 1: Write the proportion equation
122,885.19 : 184,091.58 = 75,361.68 : x - Step 2: Convert to fraction form
122,885.19/184,091.58 = 75,361.68/x - Step 3: Cross multiply
122,885.19x = 184,091.58 × 75,361.68 - Step 4: Simplify right side
122,885.19x = 13,873,450,742.65 - Step 5: Solve for x
x = 13,873,450,742.65/122,885.19 - Step 6: Final answer
x = 112,897.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.