Finding the Fourth Proportional to 122,460.24, 168,983.58 and 68,734.77
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Solution
The fourth proportional to 122,460.24, 168,983.58 and 68,734.77 is: 94,847.50
Step by Step Solution
- Step 1: Write the proportion equation
122,460.24 : 168,983.58 = 68,734.77 : x - Step 2: Convert to fraction form
122,460.24/168,983.58 = 68,734.77/x - Step 3: Cross multiply
122,460.24x = 168,983.58 × 68,734.77 - Step 4: Simplify right side
122,460.24x = 11,615,047,505.08 - Step 5: Solve for x
x = 11,615,047,505.08/122,460.24 - Step 6: Final answer
x = 94,847.50
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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.