Finding the Fourth Proportional to 122,654.08, 169,264.23 and 68,935.96
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Solution
The fourth proportional to 122,654.08, 169,264.23 and 68,935.96 is: 95,132.52
Step by Step Solution
- Step 1: Write the proportion equation
122,654.08 : 169,264.23 = 68,935.96 : x - Step 2: Convert to fraction form
122,654.08/169,264.23 = 68,935.96/x - Step 3: Cross multiply
122,654.08x = 169,264.23 × 68,935.96 - Step 4: Simplify right side
122,654.08x = 11,668,391,342.39 - Step 5: Solve for x
x = 11,668,391,342.39/122,654.08 - Step 6: Final answer
x = 95,132.52
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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.