Finding the Fourth Proportional to 110,277.20, 165,415.80 and 100,107.65
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Solution
The fourth proportional to 110,277.20, 165,415.80 and 100,107.65 is: 150,161.48
Step by Step Solution
- Step 1: Write the proportion equation
110,277.20 : 165,415.80 = 100,107.65 : x - Step 2: Convert to fraction form
110,277.20/165,415.80 = 100,107.65/x - Step 3: Cross multiply
110,277.20x = 165,415.80 × 100,107.65 - Step 4: Simplify right side
110,277.20x = 16,559,387,010.87 - Step 5: Solve for x
x = 16,559,387,010.87/110,277.20 - Step 6: Final answer
x = 150,161.48
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1.5x scale
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.