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Finding the Fourth Proportional to 187,039.62, 258,114.68 and 102,156.90

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Solution

The fourth proportional to 187,039.62, 258,114.68 and 102,156.90 is: 140,976.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,039.62 : 258,114.68 = 102,156.90 : x
  2. Step 2: Convert to fraction form
    187,039.62/258,114.68 = 102,156.90/x
  3. Step 3: Cross multiply
    187,039.62x = 258,114.68 × 102,156.90
  4. Step 4: Simplify right side
    187,039.62x = 26,368,195,553.29
  5. Step 5: Solve for x
    x = 26,368,195,553.29/187,039.62
  6. Step 6: Final answer
    x = 140,976.52

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