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Finding the Fourth Proportional to 125,928.21, 173,727.90 and 83,412.93

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Solution

The fourth proportional to 125,928.21, 173,727.90 and 83,412.93 is: 115,074.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,928.21 : 173,727.90 = 83,412.93 : x
  2. Step 2: Convert to fraction form
    125,928.21/173,727.90 = 83,412.93/x
  3. Step 3: Cross multiply
    125,928.21x = 173,727.90 × 83,412.93
  4. Step 4: Simplify right side
    125,928.21x = 14,491,153,161.75
  5. Step 5: Solve for x
    x = 14,491,153,161.75/125,928.21
  6. Step 6: Final answer
    x = 115,074.72

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