Finding the Fourth Proportional to 122,553.74, 183,986.16 and 104,202.38
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Solution
The fourth proportional to 122,553.74, 183,986.16 and 104,202.38 is: 156,435.83
Step by Step Solution
- Step 1: Write the proportion equation
122,553.74 : 183,986.16 = 104,202.38 : x - Step 2: Convert to fraction form
122,553.74/183,986.16 = 104,202.38/x - Step 3: Cross multiply
122,553.74x = 183,986.16 × 104,202.38 - Step 4: Simplify right side
122,553.74x = 19,171,795,759.06 - Step 5: Solve for x
x = 19,171,795,759.06/122,553.74 - Step 6: Final answer
x = 156,435.83
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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.