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Finding the Fourth Proportional to 125,638.80, 188,458.20 and 32,139.60

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Solution

The fourth proportional to 125,638.80, 188,458.20 and 32,139.60 is: 48,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,638.80 : 188,458.20 = 32,139.60 : x
  2. Step 2: Convert to fraction form
    125,638.80/188,458.20 = 32,139.60/x
  3. Step 3: Cross multiply
    125,638.80x = 188,458.20 × 32,139.60
  4. Step 4: Simplify right side
    125,638.80x = 6,056,971,164.72
  5. Step 5: Solve for x
    x = 6,056,971,164.72/125,638.80
  6. Step 6: Final answer
    x = 48,209.40

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