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Finding the Fourth Proportional to 119,172.16, 178,758.06 and 30,425.68

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Solution

The fourth proportional to 119,172.16, 178,758.06 and 30,425.68 is: 45,638.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,172.16 : 178,758.06 = 30,425.68 : x
  2. Step 2: Convert to fraction form
    119,172.16/178,758.06 = 30,425.68/x
  3. Step 3: Cross multiply
    119,172.16x = 178,758.06 × 30,425.68
  4. Step 4: Simplify right side
    119,172.16x = 5,438,835,530.98
  5. Step 5: Solve for x
    x = 5,438,835,530.98/119,172.16
  6. Step 6: Final answer
    x = 45,638.47

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