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Finding the Fourth Proportional to 187,368.91, 258,573.19 and 102,485.97

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Solution

The fourth proportional to 187,368.91, 258,573.19 and 102,485.97 is: 141,432.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,368.91 : 258,573.19 = 102,485.97 : x
  2. Step 2: Convert to fraction form
    187,368.91/258,573.19 = 102,485.97/x
  3. Step 3: Cross multiply
    187,368.91x = 258,573.19 × 102,485.97
  4. Step 4: Simplify right side
    187,368.91x = 26,500,124,193.14
  5. Step 5: Solve for x
    x = 26,500,124,193.14/187,368.91
  6. Step 6: Final answer
    x = 141,432.88

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