Finding the Fourth Proportional to 125,214.14, 187,372.25 and 108,404.96
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Solution
The fourth proportional to 125,214.14, 187,372.25 and 108,404.96 is: 162,218.75
Step by Step Solution
- Step 1: Write the proportion equation
125,214.14 : 187,372.25 = 108,404.96 : x - Step 2: Convert to fraction form
125,214.14/187,372.25 = 108,404.96/x - Step 3: Cross multiply
125,214.14x = 187,372.25 × 108,404.96 - Step 4: Simplify right side
125,214.14x = 20,312,081,396.03 - Step 5: Solve for x
x = 20,312,081,396.03/125,214.14 - Step 6: Final answer
x = 162,218.75
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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.