Finding the Fourth Proportional to 134,078.09, 201,201.84 and 74,952.54
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Solution
The fourth proportional to 134,078.09, 201,201.84 and 74,952.54 is: 112,476.17
Step by Step Solution
- Step 1: Write the proportion equation
134,078.09 : 201,201.84 = 74,952.54 : x - Step 2: Convert to fraction form
134,078.09/201,201.84 = 74,952.54/x - Step 3: Cross multiply
134,078.09x = 201,201.84 × 74,952.54 - Step 4: Simplify right side
134,078.09x = 15,080,588,960.67 - Step 5: Solve for x
x = 15,080,588,960.67/134,078.09 - Step 6: Final answer
x = 112,476.17
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.