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Finding the Fourth Proportional to 190,017.90, 284,838.85 and 90,002.30

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Solution

The fourth proportional to 190,017.90, 284,838.85 and 90,002.30 is: 134,914.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,017.90 : 284,838.85 = 90,002.30 : x
  2. Step 2: Convert to fraction form
    190,017.90/284,838.85 = 90,002.30/x
  3. Step 3: Cross multiply
    190,017.90x = 284,838.85 × 90,002.30
  4. Step 4: Simplify right side
    190,017.90x = 25,636,151,629.36
  5. Step 5: Solve for x
    x = 25,636,151,629.36/190,017.90
  6. Step 6: Final answer
    x = 134,914.40

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