Home / 146,213.82-218,821.69-122,548.08

Finding the Fourth Proportional to 146,213.82, 218,821.69 and 122,548.08

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Solution

The fourth proportional to 146,213.82, 218,821.69 and 122,548.08 is: 183,403.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,213.82 : 218,821.69 = 122,548.08 : x
  2. Step 2: Convert to fraction form
    146,213.82/218,821.69 = 122,548.08/x
  3. Step 3: Cross multiply
    146,213.82x = 218,821.69 × 122,548.08
  4. Step 4: Simplify right side
    146,213.82x = 26,816,177,971.86
  5. Step 5: Solve for x
    x = 26,816,177,971.86/146,213.82
  6. Step 6: Final answer
    x = 183,403.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.