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Finding the Fourth Proportional to 90,016.69, 134,941.57 and 30,838.30

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Solution

The fourth proportional to 90,016.69, 134,941.57 and 30,838.30 is: 46,228.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,016.69 : 134,941.57 = 30,838.30 : x
  2. Step 2: Convert to fraction form
    90,016.69/134,941.57 = 30,838.30/x
  3. Step 3: Cross multiply
    90,016.69x = 134,941.57 × 30,838.30
  4. Step 4: Simplify right side
    90,016.69x = 4,161,368,618.13
  5. Step 5: Solve for x
    x = 4,161,368,618.13/90,016.69
  6. Step 6: Final answer
    x = 46,228.86

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