Home / 238,553.60-329,212.62-131,131.80

Finding the Fourth Proportional to 238,553.60, 329,212.62 and 131,131.80

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Solution

The fourth proportional to 238,553.60, 329,212.62 and 131,131.80 is: 180,966.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,553.60 : 329,212.62 = 131,131.80 : x
  2. Step 2: Convert to fraction form
    238,553.60/329,212.62 = 131,131.80/x
  3. Step 3: Cross multiply
    238,553.60x = 329,212.62 × 131,131.80
  4. Step 4: Simplify right side
    238,553.60x = 43,170,243,443.32
  5. Step 5: Solve for x
    x = 43,170,243,443.32/238,553.60
  6. Step 6: Final answer
    x = 180,966.64

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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.