Finding the Fourth Proportional to 106,610.24, 147,121.28 and 58,863.68
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Solution
The fourth proportional to 106,610.24, 147,121.28 and 58,863.68 is: 81,231.41
Step by Step Solution
- Step 1: Write the proportion equation
106,610.24 : 147,121.28 = 58,863.68 : x - Step 2: Convert to fraction form
106,610.24/147,121.28 = 58,863.68/x - Step 3: Cross multiply
106,610.24x = 147,121.28 × 58,863.68 - Step 4: Simplify right side
106,610.24x = 8,660,099,947.11 - Step 5: Solve for x
x = 8,660,099,947.11/106,610.24 - Step 6: Final answer
x = 81,231.41
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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.