Finding the Fourth Proportional to 134,135.26, 185,106.61 and 73,709.80
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Solution
The fourth proportional to 134,135.26, 185,106.61 and 73,709.80 is: 101,719.50
Step by Step Solution
- Step 1: Write the proportion equation
134,135.26 : 185,106.61 = 73,709.80 : x - Step 2: Convert to fraction form
134,135.26/185,106.61 = 73,709.80/x - Step 3: Cross multiply
134,135.26x = 185,106.61 × 73,709.80 - Step 4: Simplify right side
134,135.26x = 13,644,171,201.78 - Step 5: Solve for x
x = 13,644,171,201.78/134,135.26 - Step 6: Final answer
x = 101,719.50
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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.