Finding the Fourth Proportional to 125,794.02, 173,620.56 and 72,115.08
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Solution
The fourth proportional to 125,794.02, 173,620.56 and 72,115.08 is: 99,533.03
Step by Step Solution
- Step 1: Write the proportion equation
125,794.02 : 173,620.56 = 72,115.08 : x - Step 2: Convert to fraction form
125,794.02/173,620.56 = 72,115.08/x - Step 3: Cross multiply
125,794.02x = 173,620.56 × 72,115.08 - Step 4: Simplify right side
125,794.02x = 12,520,660,574.04 - Step 5: Solve for x
x = 12,520,660,574.04/125,794.02 - Step 6: Final answer
x = 99,533.03
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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.