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Finding the Fourth Proportional to 125,575.68, 188,396.28 and 72,934.56

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Solution

The fourth proportional to 125,575.68, 188,396.28 and 72,934.56 is: 109,420.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,575.68 : 188,396.28 = 72,934.56 : x
  2. Step 2: Convert to fraction form
    125,575.68/188,396.28 = 72,934.56/x
  3. Step 3: Cross multiply
    125,575.68x = 188,396.28 × 72,934.56
  4. Step 4: Simplify right side
    125,575.68x = 13,740,599,787.44
  5. Step 5: Solve for x
    x = 13,740,599,787.44/125,575.68
  6. Step 6: Final answer
    x = 109,420.87

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