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Finding the Fourth Proportional to 213,854.96, 295,109.30 and 121,977.88

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Solution

The fourth proportional to 213,854.96, 295,109.30 and 121,977.88 is: 168,323.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,854.96 : 295,109.30 = 121,977.88 : x
  2. Step 2: Convert to fraction form
    213,854.96/295,109.30 = 121,977.88/x
  3. Step 3: Cross multiply
    213,854.96x = 295,109.30 × 121,977.88
  4. Step 4: Simplify right side
    213,854.96x = 35,996,806,782.28
  5. Step 5: Solve for x
    x = 35,996,806,782.28/213,854.96
  6. Step 6: Final answer
    x = 168,323.46

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