Finding the Fourth Proportional to 122,177.44, 168,602.86 and 68,462.32
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Solution
The fourth proportional to 122,177.44, 168,602.86 and 68,462.32 is: 94,476.88
Step by Step Solution
- Step 1: Write the proportion equation
122,177.44 : 168,602.86 = 68,462.32 : x - Step 2: Convert to fraction form
122,177.44/168,602.86 = 68,462.32/x - Step 3: Cross multiply
122,177.44x = 168,602.86 × 68,462.32 - Step 4: Simplify right side
122,177.44x = 11,542,942,954.24 - Step 5: Solve for x
x = 11,542,942,954.24/122,177.44 - Step 6: Final answer
x = 94,476.88
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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.