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Finding the Fourth Proportional to 250,623.28, 345,860.58 and 137,446.84

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Solution

The fourth proportional to 250,623.28, 345,860.58 and 137,446.84 is: 189,676.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,623.28 : 345,860.58 = 137,446.84 : x
  2. Step 2: Convert to fraction form
    250,623.28/345,860.58 = 137,446.84/x
  3. Step 3: Cross multiply
    250,623.28x = 345,860.58 × 137,446.84
  4. Step 4: Simplify right side
    250,623.28x = 47,537,443,801.57
  5. Step 5: Solve for x
    x = 47,537,443,801.57/250,623.28
  6. Step 6: Final answer
    x = 189,676.89

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