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Finding the Fourth Proportional to 125,622.60, 188,433.90 and 42,516.60

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Solution

The fourth proportional to 125,622.60, 188,433.90 and 42,516.60 is: 63,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,622.60 : 188,433.90 = 42,516.60 : x
  2. Step 2: Convert to fraction form
    125,622.60/188,433.90 = 42,516.60/x
  3. Step 3: Cross multiply
    125,622.60x = 188,433.90 × 42,516.60
  4. Step 4: Simplify right side
    125,622.60x = 8,011,568,752.74
  5. Step 5: Solve for x
    x = 8,011,568,752.74/125,622.60
  6. Step 6: Final answer
    x = 63,774.90

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