Finding the Fourth Proportional to 135,835.13, 203,796.97 and 68,332.33
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Solution
The fourth proportional to 135,835.13, 203,796.97 and 68,332.33 is: 102,520.76
Step by Step Solution
- Step 1: Write the proportion equation
135,835.13 : 203,796.97 = 68,332.33 : x - Step 2: Convert to fraction form
135,835.13/203,796.97 = 68,332.33/x - Step 3: Cross multiply
135,835.13x = 203,796.97 × 68,332.33 - Step 4: Simplify right side
135,835.13x = 13,925,920,788.06 - Step 5: Solve for x
x = 13,925,920,788.06/135,835.13 - Step 6: Final answer
x = 102,520.76
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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.