Finding the Fourth Proportional to 124,853.20, 187,274.84 and 68,804.44
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Solution
The fourth proportional to 124,853.20, 187,274.84 and 68,804.44 is: 103,203.92
Step by Step Solution
- Step 1: Write the proportion equation
124,853.20 : 187,274.84 = 68,804.44 : x - Step 2: Convert to fraction form
124,853.20/187,274.84 = 68,804.44/x - Step 3: Cross multiply
124,853.20x = 187,274.84 × 68,804.44 - Step 4: Simplify right side
124,853.20x = 12,885,339,680.08 - Step 5: Solve for x
x = 12,885,339,680.08/124,853.20 - Step 6: Final answer
x = 103,203.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.