Finding the Fourth Proportional to 122,652.23, 169,258.01 and 68,948.01
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Solution
The fourth proportional to 122,652.23, 169,258.01 and 68,948.01 is: 95,147.09
Step by Step Solution
- Step 1: Write the proportion equation
122,652.23 : 169,258.01 = 68,948.01 : x - Step 2: Convert to fraction form
122,652.23/169,258.01 = 68,948.01/x - Step 3: Cross multiply
122,652.23x = 169,258.01 × 68,948.01 - Step 4: Simplify right side
122,652.23x = 11,670,002,621.32 - Step 5: Solve for x
x = 11,670,002,621.32/122,652.23 - Step 6: Final answer
x = 95,147.09
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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.