Finding the Fourth Proportional to 107,480.64, 161,199.94 and 102,146.34
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Solution
The fourth proportional to 107,480.64, 161,199.94 and 102,146.34 is: 153,199.53
Step by Step Solution
- Step 1: Write the proportion equation
107,480.64 : 161,199.94 = 102,146.34 : x - Step 2: Convert to fraction form
107,480.64/161,199.94 = 102,146.34/x - Step 3: Cross multiply
107,480.64x = 161,199.94 × 102,146.34 - Step 4: Simplify right side
107,480.64x = 16,465,983,879.22 - Step 5: Solve for x
x = 16,465,983,879.22/107,480.64 - Step 6: Final answer
x = 153,199.53
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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.