Home / 189,840.54-284,963.28-81,823.38

Finding the Fourth Proportional to 189,840.54, 284,963.28 and 81,823.38

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Solution

The fourth proportional to 189,840.54, 284,963.28 and 81,823.38 is: 122,822.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,840.54 : 284,963.28 = 81,823.38 : x
  2. Step 2: Convert to fraction form
    189,840.54/284,963.28 = 81,823.38/x
  3. Step 3: Cross multiply
    189,840.54x = 284,963.28 × 81,823.38
  4. Step 4: Simplify right side
    189,840.54x = 23,316,658,745.49
  5. Step 5: Solve for x
    x = 23,316,658,745.49/189,840.54
  6. Step 6: Final answer
    x = 122,822.34

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