Finding the Fourth Proportional to 140,182.73, 193,445.40 and 79,747.68
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Solution
The fourth proportional to 140,182.73, 193,445.40 and 79,747.68 is: 110,047.95
Step by Step Solution
- Step 1: Write the proportion equation
140,182.73 : 193,445.40 = 79,747.68 : x - Step 2: Convert to fraction form
140,182.73/193,445.40 = 79,747.68/x - Step 3: Cross multiply
140,182.73x = 193,445.40 × 79,747.68 - Step 4: Simplify right side
140,182.73x = 15,426,821,856.67 - Step 5: Solve for x
x = 15,426,821,856.67/140,182.73 - Step 6: Final answer
x = 110,047.95
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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.