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Finding the Fourth Proportional to 140,719.02, 211,100.13 and 47,202.90

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Solution

The fourth proportional to 140,719.02, 211,100.13 and 47,202.90 is: 70,811.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,719.02 : 211,100.13 = 47,202.90 : x
  2. Step 2: Convert to fraction form
    140,719.02/211,100.13 = 47,202.90/x
  3. Step 3: Cross multiply
    140,719.02x = 211,100.13 × 47,202.90
  4. Step 4: Simplify right side
    140,719.02x = 9,964,538,326.38
  5. Step 5: Solve for x
    x = 9,964,538,326.38/140,719.02
  6. Step 6: Final answer
    x = 70,811.60

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