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Finding the Fourth Proportional to 125,631.80, 188,447.70 and 124,319.60

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Solution

The fourth proportional to 125,631.80, 188,447.70 and 124,319.60 is: 186,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,631.80 : 188,447.70 = 124,319.60 : x
  2. Step 2: Convert to fraction form
    125,631.80/188,447.70 = 124,319.60/x
  3. Step 3: Cross multiply
    125,631.80x = 188,447.70 × 124,319.60
  4. Step 4: Simplify right side
    125,631.80x = 23,427,742,684.92
  5. Step 5: Solve for x
    x = 23,427,742,684.92/125,631.80
  6. Step 6: Final answer
    x = 186,479.40

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