Home / 238,936.37-329,719.65-131,485.68

Finding the Fourth Proportional to 238,936.37, 329,719.65 and 131,485.68

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Solution

The fourth proportional to 238,936.37, 329,719.65 and 131,485.68 is: 181,443.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,936.37 : 329,719.65 = 131,485.68 : x
  2. Step 2: Convert to fraction form
    238,936.37/329,719.65 = 131,485.68/x
  3. Step 3: Cross multiply
    238,936.37x = 329,719.65 × 131,485.68
  4. Step 4: Simplify right side
    238,936.37x = 43,353,411,896.54
  5. Step 5: Solve for x
    x = 43,353,411,896.54/238,936.37
  6. Step 6: Final answer
    x = 181,443.34

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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.