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Finding the Fourth Proportional to 102,480.31, 153,708.90 and 27,605.89

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Solution

The fourth proportional to 102,480.31, 153,708.90 and 27,605.89 is: 41,405.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,480.31 : 153,708.90 = 27,605.89 : x
  2. Step 2: Convert to fraction form
    102,480.31/153,708.90 = 27,605.89/x
  3. Step 3: Cross multiply
    102,480.31x = 153,708.90 × 27,605.89
  4. Step 4: Simplify right side
    102,480.31x = 4,243,270,985.42
  5. Step 5: Solve for x
    x = 4,243,270,985.42/102,480.31
  6. Step 6: Final answer
    x = 41,405.72

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