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Finding the Fourth Proportional to 316,184.93, 474,278.21 and 129,196.43

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Solution

The fourth proportional to 316,184.93, 474,278.21 and 129,196.43 is: 193,794.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,184.93 : 474,278.21 = 129,196.43 : x
  2. Step 2: Convert to fraction form
    316,184.93/474,278.21 = 129,196.43/x
  3. Step 3: Cross multiply
    316,184.93x = 474,278.21 × 129,196.43
  4. Step 4: Simplify right side
    316,184.93x = 61,275,051,558.79
  5. Step 5: Solve for x
    x = 61,275,051,558.79/316,184.93
  6. Step 6: Final answer
    x = 193,794.98

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