Finding the Fourth Proportional to 140,209.92, 193,368.96 and 124,917.12
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Solution
The fourth proportional to 140,209.92, 193,368.96 and 124,917.12 is: 172,278.06
Step by Step Solution
- Step 1: Write the proportion equation
140,209.92 : 193,368.96 = 124,917.12 : x - Step 2: Convert to fraction form
140,209.92/193,368.96 = 124,917.12/x - Step 3: Cross multiply
140,209.92x = 193,368.96 × 124,917.12 - Step 4: Simplify right side
140,209.92x = 24,155,093,580.60 - Step 5: Solve for x
x = 24,155,093,580.60/140,209.92 - Step 6: Final answer
x = 172,278.06
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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.