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Finding the Fourth Proportional to 91,094.55, 125,768.97 and 57,149.58

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Solution

The fourth proportional to 91,094.55, 125,768.97 and 57,149.58 is: 78,903.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,094.55 : 125,768.97 = 57,149.58 : x
  2. Step 2: Convert to fraction form
    91,094.55/125,768.97 = 57,149.58/x
  3. Step 3: Cross multiply
    91,094.55x = 125,768.97 × 57,149.58
  4. Step 4: Simplify right side
    91,094.55x = 7,187,643,812.53
  5. Step 5: Solve for x
    x = 7,187,643,812.53/91,094.55
  6. Step 6: Final answer
    x = 78,903.12

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