Finding the Fourth Proportional to 122,950.44, 169,467.66 and 87,094.44
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Solution
The fourth proportional to 122,950.44, 169,467.66 and 87,094.44 is: 120,045.86
Step by Step Solution
- Step 1: Write the proportion equation
122,950.44 : 169,467.66 = 87,094.44 : x - Step 2: Convert to fraction form
122,950.44/169,467.66 = 87,094.44/x - Step 3: Cross multiply
122,950.44x = 169,467.66 × 87,094.44 - Step 4: Simplify right side
122,950.44x = 14,759,690,945.81 - Step 5: Solve for x
x = 14,759,690,945.81/122,950.44 - Step 6: Final answer
x = 120,045.86
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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.