Finding the Fourth Proportional to 120,763.51, 166,658.84 and 67,048.53
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Solution
The fourth proportional to 120,763.51, 166,658.84 and 67,048.53 is: 92,529.86
Step by Step Solution
- Step 1: Write the proportion equation
120,763.51 : 166,658.84 = 67,048.53 : x - Step 2: Convert to fraction form
120,763.51/166,658.84 = 67,048.53/x - Step 3: Cross multiply
120,763.51x = 166,658.84 × 67,048.53 - Step 4: Simplify right side
120,763.51x = 11,174,229,901.87 - Step 5: Solve for x
x = 11,174,229,901.87/120,763.51 - Step 6: Final answer
x = 92,529.86
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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.