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Finding the Fourth Proportional to 146,214, 218,822 and 122,548.26

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Solution

The fourth proportional to 146,214, 218,822 and 122,548.26 is: 183,404.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,214 : 218,822 = 122,548.26 : x
  2. Step 2: Convert to fraction form
    146,214/218,822 = 122,548.26/x
  3. Step 3: Cross multiply
    146,214x = 218,822 × 122,548.26
  4. Step 4: Simplify right side
    146,214x = 26,816,255,349.72
  5. Step 5: Solve for x
    x = 26,816,255,349.72/146,214
  6. Step 6: Final answer
    x = 183,404.16

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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.