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Finding the Fourth Proportional to 249,695.46, 374,578.73 and 81,161.60

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Solution

The fourth proportional to 249,695.46, 374,578.73 and 81,161.60 is: 121,753.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,695.46 : 374,578.73 = 81,161.60 : x
  2. Step 2: Convert to fraction form
    249,695.46/374,578.73 = 81,161.60/x
  3. Step 3: Cross multiply
    249,695.46x = 374,578.73 × 81,161.60
  4. Step 4: Simplify right side
    249,695.46x = 30,401,407,078.42
  5. Step 5: Solve for x
    x = 30,401,407,078.42/249,695.46
  6. Step 6: Final answer
    x = 121,753.94

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