Finding the Fourth Proportional to 149,523.57, 206,339.94 and 81,541.08
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Solution
The fourth proportional to 149,523.57, 206,339.94 and 81,541.08 is: 112,525.28
Step by Step Solution
- Step 1: Write the proportion equation
149,523.57 : 206,339.94 = 81,541.08 : x - Step 2: Convert to fraction form
149,523.57/206,339.94 = 81,541.08/x - Step 3: Cross multiply
149,523.57x = 206,339.94 × 81,541.08 - Step 4: Simplify right side
149,523.57x = 16,825,181,554.74 - Step 5: Solve for x
x = 16,825,181,554.74/149,523.57 - Step 6: Final answer
x = 112,525.28
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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.