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Finding the Fourth Proportional to 210,945.65, 316,443.02 and 74,126.70

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Solution

The fourth proportional to 210,945.65, 316,443.02 and 74,126.70 is: 111,198.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,945.65 : 316,443.02 = 74,126.70 : x
  2. Step 2: Convert to fraction form
    210,945.65/316,443.02 = 74,126.70/x
  3. Step 3: Cross multiply
    210,945.65x = 316,443.02 × 74,126.70
  4. Step 4: Simplify right side
    210,945.65x = 23,456,876,440.00
  5. Step 5: Solve for x
    x = 23,456,876,440.00/210,945.65
  6. Step 6: Final answer
    x = 111,198.68

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