Finding the Fourth Proportional to 125,620.80, 176,102.40 and 125,620.80
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Solution
The fourth proportional to 125,620.80, 176,102.40 and 125,620.80 is: 176,102.40
Step by Step Solution
- Step 1: Write the proportion equation
125,620.80 : 176,102.40 = 125,620.80 : x - Step 2: Convert to fraction form
125,620.80/176,102.40 = 125,620.80/x - Step 3: Cross multiply
125,620.80x = 176,102.40 × 125,620.80 - Step 4: Simplify right side
125,620.80x = 22,122,124,369.92 - Step 5: Solve for x
x = 22,122,124,369.92/125,620.80 - Step 6: Final answer
x = 176,102.40
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.