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Finding the Fourth Proportional to 172,823.29, 260,168.59 and 155,443.49

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Solution

The fourth proportional to 172,823.29, 260,168.59 and 155,443.49 is: 234,005.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,823.29 : 260,168.59 = 155,443.49 : x
  2. Step 2: Convert to fraction form
    172,823.29/260,168.59 = 155,443.49/x
  3. Step 3: Cross multiply
    172,823.29x = 260,168.59 × 155,443.49
  4. Step 4: Simplify right side
    172,823.29x = 40,441,513,487.07
  5. Step 5: Solve for x
    x = 40,441,513,487.07/172,823.29
  6. Step 6: Final answer
    x = 234,005.00

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