Finding the Fourth Proportional to 133,191.36, 183,796.92 and 75,844.80
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Solution
The fourth proportional to 133,191.36, 183,796.92 and 75,844.80 is: 104,661.75
Step by Step Solution
- Step 1: Write the proportion equation
133,191.36 : 183,796.92 = 75,844.80 : x - Step 2: Convert to fraction form
133,191.36/183,796.92 = 75,844.80/x - Step 3: Cross multiply
133,191.36x = 183,796.92 × 75,844.80 - Step 4: Simplify right side
133,191.36x = 13,940,040,638.02 - Step 5: Solve for x
x = 13,940,040,638.02/133,191.36 - Step 6: Final answer
x = 104,661.75
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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.