Finding the Fourth Proportional to 146,140.96, 201,154.44 and 103,625.68
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Solution
The fourth proportional to 146,140.96, 201,154.44 and 103,625.68 is: 142,634.66
Step by Step Solution
- Step 1: Write the proportion equation
146,140.96 : 201,154.44 = 103,625.68 : x - Step 2: Convert to fraction form
146,140.96/201,154.44 = 103,625.68/x - Step 3: Cross multiply
146,140.96x = 201,154.44 × 103,625.68 - Step 4: Simplify right side
146,140.96x = 20,844,765,630.02 - Step 5: Solve for x
x = 20,844,765,630.02/146,140.96 - Step 6: Final answer
x = 142,634.66
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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.