Finding the Fourth Proportional to 106,611.11, 147,122.37 and 58,863.42
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Solution
The fourth proportional to 106,611.11, 147,122.37 and 58,863.42 is: 81,230.99
Step by Step Solution
- Step 1: Write the proportion equation
106,611.11 : 147,122.37 = 58,863.42 : x - Step 2: Convert to fraction form
106,611.11/147,122.37 = 58,863.42/x - Step 3: Cross multiply
106,611.11x = 147,122.37 × 58,863.42 - Step 4: Simplify right side
106,611.11x = 8,660,125,856.71 - Step 5: Solve for x
x = 8,660,125,856.71/106,611.11 - Step 6: Final answer
x = 81,230.99
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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.