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Finding the Fourth Proportional to 180,782.29, 249,453.36 and 100,209.79

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Solution

The fourth proportional to 180,782.29, 249,453.36 and 100,209.79 is: 138,274.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,782.29 : 249,453.36 = 100,209.79 : x
  2. Step 2: Convert to fraction form
    180,782.29/249,453.36 = 100,209.79/x
  3. Step 3: Cross multiply
    180,782.29x = 249,453.36 × 100,209.79
  4. Step 4: Simplify right side
    180,782.29x = 24,997,668,820.39
  5. Step 5: Solve for x
    x = 24,997,668,820.39/180,782.29
  6. Step 6: Final answer
    x = 138,274.99

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