Finding the Fourth Proportional to 122,880.08, 169,579.91 and 69,168.53
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Solution
The fourth proportional to 122,880.08, 169,579.91 and 69,168.53 is: 95,455.61
Step by Step Solution
- Step 1: Write the proportion equation
122,880.08 : 169,579.91 = 69,168.53 : x - Step 2: Convert to fraction form
122,880.08/169,579.91 = 69,168.53/x - Step 3: Cross multiply
122,880.08x = 169,579.91 × 69,168.53 - Step 4: Simplify right side
122,880.08x = 11,729,593,092.23 - Step 5: Solve for x
x = 11,729,593,092.23/122,880.08 - Step 6: Final answer
x = 95,455.61
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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.