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Finding the Fourth Proportional to 185,607.65, 256,139.42 and 100,724.72

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Solution

The fourth proportional to 185,607.65, 256,139.42 and 100,724.72 is: 139,000.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,607.65 : 256,139.42 = 100,724.72 : x
  2. Step 2: Convert to fraction form
    185,607.65/256,139.42 = 100,724.72/x
  3. Step 3: Cross multiply
    185,607.65x = 256,139.42 × 100,724.72
  4. Step 4: Simplify right side
    185,607.65x = 25,799,569,576.14
  5. Step 5: Solve for x
    x = 25,799,569,576.14/185,607.65
  6. Step 6: Final answer
    x = 139,000.57

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