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Finding the Fourth Proportional to 125,145.97, 187,679.70 and 40,886.93

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Solution

The fourth proportional to 125,145.97, 187,679.70 and 40,886.93 is: 61,317.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,145.97 : 187,679.70 = 40,886.93 : x
  2. Step 2: Convert to fraction form
    125,145.97/187,679.70 = 40,886.93/x
  3. Step 3: Cross multiply
    125,145.97x = 187,679.70 × 40,886.93
  4. Step 4: Simplify right side
    125,145.97x = 7,673,647,225.52
  5. Step 5: Solve for x
    x = 7,673,647,225.52/125,145.97
  6. Step 6: Final answer
    x = 61,317.57

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