Finding the Fourth Proportional to 134,840.82, 202,202.40 and 71,645.70
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Solution
The fourth proportional to 134,840.82, 202,202.40 and 71,645.70 is: 107,437.29
Step by Step Solution
- Step 1: Write the proportion equation
134,840.82 : 202,202.40 = 71,645.70 : x - Step 2: Convert to fraction form
134,840.82/202,202.40 = 71,645.70/x - Step 3: Cross multiply
134,840.82x = 202,202.40 × 71,645.70 - Step 4: Simplify right side
134,840.82x = 14,486,932,489.68 - Step 5: Solve for x
x = 14,486,932,489.68/134,840.82 - Step 6: Final answer
x = 107,437.29
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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.