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Finding the Fourth Proportional to 139,329.90, 209,005.10 and 43,254.53

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Solution

The fourth proportional to 139,329.90, 209,005.10 and 43,254.53 is: 64,884.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,329.90 : 209,005.10 = 43,254.53 : x
  2. Step 2: Convert to fraction form
    139,329.90/209,005.10 = 43,254.53/x
  3. Step 3: Cross multiply
    139,329.90x = 209,005.10 × 43,254.53
  4. Step 4: Simplify right side
    139,329.90x = 9,040,417,579.78
  5. Step 5: Solve for x
    x = 9,040,417,579.78/139,329.90
  6. Step 6: Final answer
    x = 64,884.98

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