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Finding the Fourth Proportional to 187,776, 259,130.88 and 108,288

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Solution

The fourth proportional to 187,776, 259,130.88 and 108,288 is: 149,437.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,776 : 259,130.88 = 108,288 : x
  2. Step 2: Convert to fraction form
    187,776/259,130.88 = 108,288/x
  3. Step 3: Cross multiply
    187,776x = 259,130.88 × 108,288
  4. Step 4: Simplify right side
    187,776x = 28,060,764,733.44
  5. Step 5: Solve for x
    x = 28,060,764,733.44/187,776
  6. Step 6: Final answer
    x = 149,437.44

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