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Finding the Fourth Proportional to 125,878.10, 188,819.68 and 46,976.60

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Solution

The fourth proportional to 125,878.10, 188,819.68 and 46,976.60 is: 70,465.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,878.10 : 188,819.68 = 46,976.60 : x
  2. Step 2: Convert to fraction form
    125,878.10/188,819.68 = 46,976.60/x
  3. Step 3: Cross multiply
    125,878.10x = 188,819.68 × 46,976.60
  4. Step 4: Simplify right side
    125,878.10x = 8,870,106,579.49
  5. Step 5: Solve for x
    x = 8,870,106,579.49/125,878.10
  6. Step 6: Final answer
    x = 70,465.84

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