Finding the Fourth Proportional to 122,013.28, 182,207.93 and 120,693.79
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Solution
The fourth proportional to 122,013.28, 182,207.93 and 120,693.79 is: 180,237.48
Step by Step Solution
- Step 1: Write the proportion equation
122,013.28 : 182,207.93 = 120,693.79 : x - Step 2: Convert to fraction form
122,013.28/182,207.93 = 120,693.79/x - Step 3: Cross multiply
122,013.28x = 182,207.93 × 120,693.79 - Step 4: Simplify right side
122,013.28x = 21,991,365,639.75 - Step 5: Solve for x
x = 21,991,365,639.75/122,013.28 - Step 6: Final answer
x = 180,237.48
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.