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Finding the Fourth Proportional to 103,024.80, 154,537.20 and 73,281.60

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Solution

The fourth proportional to 103,024.80, 154,537.20 and 73,281.60 is: 109,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,024.80 : 154,537.20 = 73,281.60 : x
  2. Step 2: Convert to fraction form
    103,024.80/154,537.20 = 73,281.60/x
  3. Step 3: Cross multiply
    103,024.80x = 154,537.20 × 73,281.60
  4. Step 4: Simplify right side
    103,024.80x = 11,324,733,275.52
  5. Step 5: Solve for x
    x = 11,324,733,275.52/103,024.80
  6. Step 6: Final answer
    x = 109,922.40

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