Finding the Fourth Proportional to 126,954.24, 175,202.54 and 72,511.14
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Solution
The fourth proportional to 126,954.24, 175,202.54 and 72,511.14 is: 100,068.62
Step by Step Solution
- Step 1: Write the proportion equation
126,954.24 : 175,202.54 = 72,511.14 : x - Step 2: Convert to fraction form
126,954.24/175,202.54 = 72,511.14/x - Step 3: Cross multiply
126,954.24x = 175,202.54 × 72,511.14 - Step 4: Simplify right side
126,954.24x = 12,704,135,906.30 - Step 5: Solve for x
x = 12,704,135,906.30/126,954.24 - Step 6: Final answer
x = 100,068.62
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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.