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Finding the Fourth Proportional to 112,614.87, 155,408.58 and 70,173.57

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Solution

The fourth proportional to 112,614.87, 155,408.58 and 70,173.57 is: 96,839.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,614.87 : 155,408.58 = 70,173.57 : x
  2. Step 2: Convert to fraction form
    112,614.87/155,408.58 = 70,173.57/x
  3. Step 3: Cross multiply
    112,614.87x = 155,408.58 × 70,173.57
  4. Step 4: Simplify right side
    112,614.87x = 10,905,574,867.23
  5. Step 5: Solve for x
    x = 10,905,574,867.23/112,614.87
  6. Step 6: Final answer
    x = 96,839.56

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