Finding the Fourth Proportional to 122,017.03, 168,364.11 and 68,304.31
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Solution
The fourth proportional to 122,017.03, 168,364.11 and 68,304.31 is: 94,249.09
Step by Step Solution
- Step 1: Write the proportion equation
122,017.03 : 168,364.11 = 68,304.31 : x - Step 2: Convert to fraction form
122,017.03/168,364.11 = 68,304.31/x - Step 3: Cross multiply
122,017.03x = 168,364.11 × 68,304.31 - Step 4: Simplify right side
122,017.03x = 11,499,994,362.31 - Step 5: Solve for x
x = 11,499,994,362.31/122,017.03 - Step 6: Final answer
x = 94,249.09
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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.