Finding the Fourth Proportional to 110,729.90, 152,763.18 and 68,214.62
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Solution
The fourth proportional to 110,729.90, 152,763.18 and 68,214.62 is: 94,109.02
Step by Step Solution
- Step 1: Write the proportion equation
110,729.90 : 152,763.18 = 68,214.62 : x - Step 2: Convert to fraction form
110,729.90/152,763.18 = 68,214.62/x - Step 3: Cross multiply
110,729.90x = 152,763.18 × 68,214.62 - Step 4: Simplify right side
110,729.90x = 10,420,682,273.69 - Step 5: Solve for x
x = 10,420,682,273.69/110,729.90 - Step 6: Final answer
x = 94,109.02
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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.