Finding the Fourth Proportional to 141,803.26, 195,702.28 and 105,930.99
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Solution
The fourth proportional to 141,803.26, 195,702.28 and 105,930.99 is: 146,195.06
Step by Step Solution
- Step 1: Write the proportion equation
141,803.26 : 195,702.28 = 105,930.99 : x - Step 2: Convert to fraction form
141,803.26/195,702.28 = 105,930.99/x - Step 3: Cross multiply
141,803.26x = 195,702.28 × 105,930.99 - Step 4: Simplify right side
141,803.26x = 20,730,936,000.83 - Step 5: Solve for x
x = 20,730,936,000.83/141,803.26 - Step 6: Final answer
x = 146,195.06
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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.