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Finding the Fourth Proportional to 134,870.80, 202,306.20 and 92,880.40

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Solution

The fourth proportional to 134,870.80, 202,306.20 and 92,880.40 is: 139,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,870.80 : 202,306.20 = 92,880.40 : x
  2. Step 2: Convert to fraction form
    134,870.80/202,306.20 = 92,880.40/x
  3. Step 3: Cross multiply
    134,870.80x = 202,306.20 × 92,880.40
  4. Step 4: Simplify right side
    134,870.80x = 18,790,280,778.48
  5. Step 5: Solve for x
    x = 18,790,280,778.48/134,870.80
  6. Step 6: Final answer
    x = 139,320.60

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