Finding the Fourth Proportional to 126,209.20, 174,160.68 and 69,620.92
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Solution
The fourth proportional to 126,209.20, 174,160.68 and 69,620.92 is: 96,072.45
Step by Step Solution
- Step 1: Write the proportion equation
126,209.20 : 174,160.68 = 69,620.92 : x - Step 2: Convert to fraction form
126,209.20/174,160.68 = 69,620.92/x - Step 3: Cross multiply
126,209.20x = 174,160.68 × 69,620.92 - Step 4: Simplify right side
126,209.20x = 12,125,226,769.43 - Step 5: Solve for x
x = 12,125,226,769.43/126,209.20 - Step 6: Final answer
x = 96,072.45
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1.5x scale
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.