Finding the Fourth Proportional to 122,119.08, 183,247.90 and 51,991.08
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Solution
The fourth proportional to 122,119.08, 183,247.90 and 51,991.08 is: 78,016.12
Step by Step Solution
- Step 1: Write the proportion equation
122,119.08 : 183,247.90 = 51,991.08 : x - Step 2: Convert to fraction form
122,119.08/183,247.90 = 51,991.08/x - Step 3: Cross multiply
122,119.08x = 183,247.90 × 51,991.08 - Step 4: Simplify right side
122,119.08x = 9,527,256,228.73 - Step 5: Solve for x
x = 9,527,256,228.73/122,119.08 - Step 6: Final answer
x = 78,016.12
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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.