Finding the Fourth Proportional to 122,442.61, 168,957.83 and 68,733.53
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Solution
The fourth proportional to 122,442.61, 168,957.83 and 68,733.53 is: 94,844.99
Step by Step Solution
- Step 1: Write the proportion equation
122,442.61 : 168,957.83 = 68,733.53 : x - Step 2: Convert to fraction form
122,442.61/168,957.83 = 68,733.53/x - Step 3: Cross multiply
122,442.61x = 168,957.83 × 68,733.53 - Step 4: Simplify right side
122,442.61x = 11,613,068,077.04 - Step 5: Solve for x
x = 11,613,068,077.04/122,442.61 - Step 6: Final answer
x = 94,844.99
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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.