Finding the Fourth Proportional to 125,295.28, 187,827.84 and 54,173.44
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Solution
The fourth proportional to 125,295.28, 187,827.84 and 54,173.44 is: 81,210.40
Step by Step Solution
- Step 1: Write the proportion equation
125,295.28 : 187,827.84 = 54,173.44 : x - Step 2: Convert to fraction form
125,295.28/187,827.84 = 54,173.44/x - Step 3: Cross multiply
125,295.28x = 187,827.84 × 54,173.44 - Step 4: Simplify right side
125,295.28x = 10,175,280,220.57 - Step 5: Solve for x
x = 10,175,280,220.57/125,295.28 - Step 6: Final answer
x = 81,210.40
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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.