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Finding the Fourth Proportional to 125,890.80, 188,771.40 and 46,964.40

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Solution

The fourth proportional to 125,890.80, 188,771.40 and 46,964.40 is: 70,422.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,890.80 : 188,771.40 = 46,964.40 : x
  2. Step 2: Convert to fraction form
    125,890.80/188,771.40 = 46,964.40/x
  3. Step 3: Cross multiply
    125,890.80x = 188,771.40 × 46,964.40
  4. Step 4: Simplify right side
    125,890.80x = 8,865,535,538.16
  5. Step 5: Solve for x
    x = 8,865,535,538.16/125,890.80
  6. Step 6: Final answer
    x = 70,422.43

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