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Finding the Fourth Proportional to 187,266.80, 280,971.14 and 112,439.20

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Solution

The fourth proportional to 187,266.80, 280,971.14 and 112,439.20 is: 168,701.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,266.80 : 280,971.14 = 112,439.20 : x
  2. Step 2: Convert to fraction form
    187,266.80/280,971.14 = 112,439.20/x
  3. Step 3: Cross multiply
    187,266.80x = 280,971.14 × 112,439.20
  4. Step 4: Simplify right side
    187,266.80x = 31,592,170,204.69
  5. Step 5: Solve for x
    x = 31,592,170,204.69/187,266.80
  6. Step 6: Final answer
    x = 168,701.39

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