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Finding the Fourth Proportional to 180,963.86, 249,707.41 and 100,370.48

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Solution

The fourth proportional to 180,963.86, 249,707.41 and 100,370.48 is: 138,498.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,963.86 : 249,707.41 = 100,370.48 : x
  2. Step 2: Convert to fraction form
    180,963.86/249,707.41 = 100,370.48/x
  3. Step 3: Cross multiply
    180,963.86x = 249,707.41 × 100,370.48
  4. Step 4: Simplify right side
    180,963.86x = 25,063,251,101.79
  5. Step 5: Solve for x
    x = 25,063,251,101.79/180,963.86
  6. Step 6: Final answer
    x = 138,498.66

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