Finding the Fourth Proportional to 99,169.36, 148,756.84 and 29,048.72
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Solution
The fourth proportional to 99,169.36, 148,756.84 and 29,048.72 is: 43,573.90
Step by Step Solution
- Step 1: Write the proportion equation
99,169.36 : 148,756.84 = 29,048.72 : x - Step 2: Convert to fraction form
99,169.36/148,756.84 = 29,048.72/x - Step 3: Cross multiply
99,169.36x = 148,756.84 × 29,048.72 - Step 4: Simplify right side
99,169.36x = 4,321,195,793.24 - Step 5: Solve for x
x = 4,321,195,793.24/99,169.36 - Step 6: Final answer
x = 43,573.90
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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.