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Finding the Fourth Proportional to 187,030.80, 280,238.40 and 108,007.20

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Solution

The fourth proportional to 187,030.80, 280,238.40 and 108,007.20 is: 161,833.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,030.80 : 280,238.40 = 108,007.20 : x
  2. Step 2: Convert to fraction form
    187,030.80/280,238.40 = 108,007.20/x
  3. Step 3: Cross multiply
    187,030.80x = 280,238.40 × 108,007.20
  4. Step 4: Simplify right side
    187,030.80x = 30,267,764,916.48
  5. Step 5: Solve for x
    x = 30,267,764,916.48/187,030.80
  6. Step 6: Final answer
    x = 161,833.05

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