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Finding the Fourth Proportional to 125,987.60, 188,887.55 and 59,389.81

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Solution

The fourth proportional to 125,987.60, 188,887.55 and 59,389.81 is: 89,040.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,987.60 : 188,887.55 = 59,389.81 : x
  2. Step 2: Convert to fraction form
    125,987.60/188,887.55 = 59,389.81/x
  3. Step 3: Cross multiply
    125,987.60x = 188,887.55 × 59,389.81
  4. Step 4: Simplify right side
    125,987.60x = 11,217,994,936.70
  5. Step 5: Solve for x
    x = 11,217,994,936.70/125,987.60
  6. Step 6: Final answer
    x = 89,040.47

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