Finding the Fourth Proportional to 115,183.74, 158,922.63 and 69,256.74
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Solution
The fourth proportional to 115,183.74, 158,922.63 and 69,256.74 is: 95,555.70
Step by Step Solution
- Step 1: Write the proportion equation
115,183.74 : 158,922.63 = 69,256.74 : x - Step 2: Convert to fraction form
115,183.74/158,922.63 = 69,256.74/x - Step 3: Cross multiply
115,183.74x = 158,922.63 × 69,256.74 - Step 4: Simplify right side
115,183.74x = 11,006,463,266.03 - Step 5: Solve for x
x = 11,006,463,266.03/115,183.74 - Step 6: Final answer
x = 95,555.70
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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.