Finding the Fourth Proportional to 122,585.36, 169,184.86 and 68,874.54
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Solution
The fourth proportional to 122,585.36, 169,184.86 and 68,874.54 is: 95,056.45
Step by Step Solution
- Step 1: Write the proportion equation
122,585.36 : 169,184.86 = 68,874.54 : x - Step 2: Convert to fraction form
122,585.36/169,184.86 = 68,874.54/x - Step 3: Cross multiply
122,585.36x = 169,184.86 × 68,874.54 - Step 4: Simplify right side
122,585.36x = 11,652,529,407.46 - Step 5: Solve for x
x = 11,652,529,407.46/122,585.36 - Step 6: Final answer
x = 95,056.45
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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.