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Finding the Fourth Proportional to 125,847.40, 188,333.70 and 115,349.80

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Solution

The fourth proportional to 125,847.40, 188,333.70 and 115,349.80 is: 172,623.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,847.40 : 188,333.70 = 115,349.80 : x
  2. Step 2: Convert to fraction form
    125,847.40/188,333.70 = 115,349.80/x
  3. Step 3: Cross multiply
    125,847.40x = 188,333.70 × 115,349.80
  4. Step 4: Simplify right side
    125,847.40x = 21,724,254,628.26
  5. Step 5: Solve for x
    x = 21,724,254,628.26/125,847.40
  6. Step 6: Final answer
    x = 172,623.79

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