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Finding the Fourth Proportional to 123,310.40, 184,706.40 and 102,574.40

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Solution

The fourth proportional to 123,310.40, 184,706.40 and 102,574.40 is: 153,645.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,310.40 : 184,706.40 = 102,574.40 : x
  2. Step 2: Convert to fraction form
    123,310.40/184,706.40 = 102,574.40/x
  3. Step 3: Cross multiply
    123,310.40x = 184,706.40 × 102,574.40
  4. Step 4: Simplify right side
    123,310.40x = 18,946,148,156.16
  5. Step 5: Solve for x
    x = 18,946,148,156.16/123,310.40
  6. Step 6: Final answer
    x = 153,645.99

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