Finding the Fourth Proportional to 107,937.63, 161,808.44 and 37,778.67
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Solution
The fourth proportional to 107,937.63, 161,808.44 and 37,778.67 is: 56,633.70
Step by Step Solution
- Step 1: Write the proportion equation
107,937.63 : 161,808.44 = 37,778.67 : x - Step 2: Convert to fraction form
107,937.63/161,808.44 = 37,778.67/x - Step 3: Cross multiply
107,937.63x = 161,808.44 × 37,778.67 - Step 4: Simplify right side
107,937.63x = 6,112,907,469.08 - Step 5: Solve for x
x = 6,112,907,469.08/107,937.63 - Step 6: Final answer
x = 56,633.70
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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.