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Finding the Fourth Proportional to 247,018.64, 340,840.84 and 138,124.94

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Solution

The fourth proportional to 247,018.64, 340,840.84 and 138,124.94 is: 190,587.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,018.64 : 340,840.84 = 138,124.94 : x
  2. Step 2: Convert to fraction form
    247,018.64/340,840.84 = 138,124.94/x
  3. Step 3: Cross multiply
    247,018.64x = 340,840.84 × 138,124.94
  4. Step 4: Simplify right side
    247,018.64x = 47,078,620,574.55
  5. Step 5: Solve for x
    x = 47,078,620,574.55/247,018.64
  6. Step 6: Final answer
    x = 190,587.32

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