Finding the Fourth Proportional to 110,920.05, 153,096.87 and 63,201.54
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Solution
The fourth proportional to 110,920.05, 153,096.87 and 63,201.54 is: 87,233.62
Step by Step Solution
- Step 1: Write the proportion equation
110,920.05 : 153,096.87 = 63,201.54 : x - Step 2: Convert to fraction form
110,920.05/153,096.87 = 63,201.54/x - Step 3: Cross multiply
110,920.05x = 153,096.87 × 63,201.54 - Step 4: Simplify right side
110,920.05x = 9,675,957,953.18 - Step 5: Solve for x
x = 9,675,957,953.18/110,920.05 - Step 6: Final answer
x = 87,233.62
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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.