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Finding the Fourth Proportional to 125,693.32, 188,490.56 and 45,712.30

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Solution

The fourth proportional to 125,693.32, 188,490.56 and 45,712.30 is: 68,550.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,693.32 : 188,490.56 = 45,712.30 : x
  2. Step 2: Convert to fraction form
    125,693.32/188,490.56 = 45,712.30/x
  3. Step 3: Cross multiply
    125,693.32x = 188,490.56 × 45,712.30
  4. Step 4: Simplify right side
    125,693.32x = 8,616,337,025.89
  5. Step 5: Solve for x
    x = 8,616,337,025.89/125,693.32
  6. Step 6: Final answer
    x = 68,550.48

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