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Finding the Fourth Proportional to 92,642.88, 139,150.28 and 55,275.87

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Solution

The fourth proportional to 92,642.88, 139,150.28 and 55,275.87 is: 83,024.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,642.88 : 139,150.28 = 55,275.87 : x
  2. Step 2: Convert to fraction form
    92,642.88/139,150.28 = 55,275.87/x
  3. Step 3: Cross multiply
    92,642.88x = 139,150.28 × 55,275.87
  4. Step 4: Simplify right side
    92,642.88x = 7,691,651,815.61
  5. Step 5: Solve for x
    x = 7,691,651,815.61/92,642.88
  6. Step 6: Final answer
    x = 83,024.75

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