Finding the Fourth Proportional to 134,775.60, 202,163.40 and 92,785.20
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Solution
The fourth proportional to 134,775.60, 202,163.40 and 92,785.20 is: 139,177.80
Step by Step Solution
- Step 1: Write the proportion equation
134,775.60 : 202,163.40 = 92,785.20 : x - Step 2: Convert to fraction form
134,775.60/202,163.40 = 92,785.20/x - Step 3: Cross multiply
134,775.60x = 202,163.40 × 92,785.20 - Step 4: Simplify right side
134,775.60x = 18,757,771,501.68 - Step 5: Solve for x
x = 18,757,771,501.68/134,775.60 - Step 6: Final answer
x = 139,177.80
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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.