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Finding the Fourth Proportional to 102,747.06, 154,120.59 and 28,875.06

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Solution

The fourth proportional to 102,747.06, 154,120.59 and 28,875.06 is: 43,312.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,747.06 : 154,120.59 = 28,875.06 : x
  2. Step 2: Convert to fraction form
    102,747.06/154,120.59 = 28,875.06/x
  3. Step 3: Cross multiply
    102,747.06x = 154,120.59 × 28,875.06
  4. Step 4: Simplify right side
    102,747.06x = 4,450,241,777.07
  5. Step 5: Solve for x
    x = 4,450,241,777.07/102,747.06
  6. Step 6: Final answer
    x = 43,312.59

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