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Finding the Fourth Proportional to 249,564.45, 344,401.49 and 136,387.20

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Solution

The fourth proportional to 249,564.45, 344,401.49 and 136,387.20 is: 188,215.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,564.45 : 344,401.49 = 136,387.20 : x
  2. Step 2: Convert to fraction form
    249,564.45/344,401.49 = 136,387.20/x
  3. Step 3: Cross multiply
    249,564.45x = 344,401.49 × 136,387.20
  4. Step 4: Simplify right side
    249,564.45x = 46,971,954,896.93
  5. Step 5: Solve for x
    x = 46,971,954,896.93/249,564.45
  6. Step 6: Final answer
    x = 188,215.73

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