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Finding the Fourth Proportional to 254,751.40, 381,689.70 and 165,959.20

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Solution

The fourth proportional to 254,751.40, 381,689.70 and 165,959.20 is: 248,653.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,751.40 : 381,689.70 = 165,959.20 : x
  2. Step 2: Convert to fraction form
    254,751.40/381,689.70 = 165,959.20/x
  3. Step 3: Cross multiply
    254,751.40x = 381,689.70 × 165,959.20
  4. Step 4: Simplify right side
    254,751.40x = 63,344,917,260.24
  5. Step 5: Solve for x
    x = 63,344,917,260.24/254,751.40
  6. Step 6: Final answer
    x = 248,653.85

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