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Finding the Fourth Proportional to 250,215.64, 345,211.80 and 142,708.36

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Solution

The fourth proportional to 250,215.64, 345,211.80 and 142,708.36 is: 196,888.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,215.64 : 345,211.80 = 142,708.36 : x
  2. Step 2: Convert to fraction form
    250,215.64/345,211.80 = 142,708.36/x
  3. Step 3: Cross multiply
    250,215.64x = 345,211.80 × 142,708.36
  4. Step 4: Simplify right side
    250,215.64x = 49,264,609,830.65
  5. Step 5: Solve for x
    x = 49,264,609,830.65/250,215.64
  6. Step 6: Final answer
    x = 196,888.61

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