Finding the Fourth Proportional to 112,469.80, 168,704.70 and 110,525.80
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Solution
The fourth proportional to 112,469.80, 168,704.70 and 110,525.80 is: 165,788.70
Step by Step Solution
- Step 1: Write the proportion equation
112,469.80 : 168,704.70 = 110,525.80 : x - Step 2: Convert to fraction form
112,469.80/168,704.70 = 110,525.80/x - Step 3: Cross multiply
112,469.80x = 168,704.70 × 110,525.80 - Step 4: Simplify right side
112,469.80x = 18,646,221,931.26 - Step 5: Solve for x
x = 18,646,221,931.26/112,469.80 - Step 6: Final answer
x = 165,788.70
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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.