Finding the Fourth Proportional to 117,847.20, 176,682.44 and 71,089.12
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Solution
The fourth proportional to 117,847.20, 176,682.44 and 71,089.12 is: 106,580.38
Step by Step Solution
- Step 1: Write the proportion equation
117,847.20 : 176,682.44 = 71,089.12 : x - Step 2: Convert to fraction form
117,847.20/176,682.44 = 71,089.12/x - Step 3: Cross multiply
117,847.20x = 176,682.44 × 71,089.12 - Step 4: Simplify right side
117,847.20x = 12,560,199,179.05 - Step 5: Solve for x
x = 12,560,199,179.05/117,847.20 - Step 6: Final answer
x = 106,580.38
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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.