Finding the Fourth Proportional to 140,106.83, 193,121.57 and 94,768.28
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Solution
The fourth proportional to 140,106.83, 193,121.57 and 94,768.28 is: 130,627.45
Step by Step Solution
- Step 1: Write the proportion equation
140,106.83 : 193,121.57 = 94,768.28 : x - Step 2: Convert to fraction form
140,106.83/193,121.57 = 94,768.28/x - Step 3: Cross multiply
140,106.83x = 193,121.57 × 94,768.28 - Step 4: Simplify right side
140,106.83x = 18,301,797,580.35 - Step 5: Solve for x
x = 18,301,797,580.35/140,106.83 - Step 6: Final answer
x = 130,627.45
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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.