Home / 258,789.96-387,954.06-100,981.70

Finding the Fourth Proportional to 258,789.96, 387,954.06 and 100,981.70

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Solution

The fourth proportional to 258,789.96, 387,954.06 and 100,981.70 is: 151,382.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,789.96 : 387,954.06 = 100,981.70 : x
  2. Step 2: Convert to fraction form
    258,789.96/387,954.06 = 100,981.70/x
  3. Step 3: Cross multiply
    258,789.96x = 387,954.06 × 100,981.70
  4. Step 4: Simplify right side
    258,789.96x = 39,176,260,500.70
  5. Step 5: Solve for x
    x = 39,176,260,500.70/258,789.96
  6. Step 6: Final answer
    x = 151,382.46

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