Finding the Fourth Proportional to 125,195.63, 187,800.29 and 31,702.19
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Solution
The fourth proportional to 125,195.63, 187,800.29 and 31,702.19 is: 47,555.02
Step by Step Solution
- Step 1: Write the proportion equation
125,195.63 : 187,800.29 = 31,702.19 : x - Step 2: Convert to fraction form
125,195.63/187,800.29 = 31,702.19/x - Step 3: Cross multiply
125,195.63x = 187,800.29 × 31,702.19 - Step 4: Simplify right side
125,195.63x = 5,953,680,905.51 - Step 5: Solve for x
x = 5,953,680,905.51/125,195.63 - Step 6: Final answer
x = 47,555.02
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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.