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Finding the Fourth Proportional to 133,079.95, 183,647.41 and 72,648.28

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Solution

The fourth proportional to 133,079.95, 183,647.41 and 72,648.28 is: 100,253.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,079.95 : 183,647.41 = 72,648.28 : x
  2. Step 2: Convert to fraction form
    133,079.95/183,647.41 = 72,648.28/x
  3. Step 3: Cross multiply
    133,079.95x = 183,647.41 × 72,648.28
  4. Step 4: Simplify right side
    133,079.95x = 13,341,668,462.95
  5. Step 5: Solve for x
    x = 13,341,668,462.95/133,079.95
  6. Step 6: Final answer
    x = 100,253.03

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