Finding the Fourth Proportional to 188,175.36, 259,683.84 and 102,135.12
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Solution
The fourth proportional to 188,175.36, 259,683.84 and 102,135.12 is: 140,947.47
Step by Step Solution
- Step 1: Write the proportion equation
188,175.36 : 259,683.84 = 102,135.12 : x - Step 2: Convert to fraction form
188,175.36/259,683.84 = 102,135.12/x - Step 3: Cross multiply
188,175.36x = 259,683.84 × 102,135.12 - Step 4: Simplify right side
188,175.36x = 26,522,840,160.46 - Step 5: Solve for x
x = 26,522,840,160.46/188,175.36 - Step 6: Final answer
x = 140,947.47
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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.