Finding the Fourth Proportional to 124,794.36, 187,189.92 and 80,704.44
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Solution
The fourth proportional to 124,794.36, 187,189.92 and 80,704.44 is: 121,055.61
Step by Step Solution
- Step 1: Write the proportion equation
124,794.36 : 187,189.92 = 80,704.44 : x - Step 2: Convert to fraction form
124,794.36/187,189.92 = 80,704.44/x - Step 3: Cross multiply
124,794.36x = 187,189.92 × 80,704.44 - Step 4: Simplify right side
124,794.36x = 15,107,057,667.24 - Step 5: Solve for x
x = 15,107,057,667.24/124,794.36 - Step 6: Final answer
x = 121,055.61
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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.