Finding the Fourth Proportional to 139,770.90, 192,750.30 and 93,934.08
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Solution
The fourth proportional to 139,770.90, 192,750.30 and 93,934.08 is: 129,539.28
Step by Step Solution
- Step 1: Write the proportion equation
139,770.90 : 192,750.30 = 93,934.08 : x - Step 2: Convert to fraction form
139,770.90/192,750.30 = 93,934.08/x - Step 3: Cross multiply
139,770.90x = 192,750.30 × 93,934.08 - Step 4: Simplify right side
139,770.90x = 18,105,822,100.22 - Step 5: Solve for x
x = 18,105,822,100.22/139,770.90 - Step 6: Final answer
x = 129,539.28
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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.