Finding the Fourth Proportional to 122,198.76, 168,602.65 and 73,762.41
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Solution
The fourth proportional to 122,198.76, 168,602.65 and 73,762.41 is: 101,773.03
Step by Step Solution
- Step 1: Write the proportion equation
122,198.76 : 168,602.65 = 73,762.41 : x - Step 2: Convert to fraction form
122,198.76/168,602.65 = 73,762.41/x - Step 3: Cross multiply
122,198.76x = 168,602.65 × 73,762.41 - Step 4: Simplify right side
122,198.76x = 12,436,538,244.24 - Step 5: Solve for x
x = 12,436,538,244.24/122,198.76 - Step 6: Final answer
x = 101,773.03
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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.