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Finding the Fourth Proportional to 123,544.16, 170,491.20 and 73,246.40

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Solution

The fourth proportional to 123,544.16, 170,491.20 and 73,246.40 is: 101,080.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,544.16 : 170,491.20 = 73,246.40 : x
  2. Step 2: Convert to fraction form
    123,544.16/170,491.20 = 73,246.40/x
  3. Step 3: Cross multiply
    123,544.16x = 170,491.20 × 73,246.40
  4. Step 4: Simplify right side
    123,544.16x = 12,487,866,631.68
  5. Step 5: Solve for x
    x = 12,487,866,631.68/123,544.16
  6. Step 6: Final answer
    x = 101,080.19

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