Finding the Fourth Proportional to 187,830.40, 281,720.94 and 93,023.68
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Solution
The fourth proportional to 187,830.40, 281,720.94 and 93,023.68 is: 139,523.31
Step by Step Solution
- Step 1: Write the proportion equation
187,830.40 : 281,720.94 = 93,023.68 : x - Step 2: Convert to fraction form
187,830.40/281,720.94 = 93,023.68/x - Step 3: Cross multiply
187,830.40x = 281,720.94 × 93,023.68 - Step 4: Simplify right side
187,830.40x = 26,206,718,571.86 - Step 5: Solve for x
x = 26,206,718,571.86/187,830.40 - Step 6: Final answer
x = 139,523.31
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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.