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Finding the Fourth Proportional to 137,782.97, 190,127.36 and 77,339.76

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Solution

The fourth proportional to 137,782.97, 190,127.36 and 77,339.76 is: 106,721.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,782.97 : 190,127.36 = 77,339.76 : x
  2. Step 2: Convert to fraction form
    137,782.97/190,127.36 = 77,339.76/x
  3. Step 3: Cross multiply
    137,782.97x = 190,127.36 × 77,339.76
  4. Step 4: Simplify right side
    137,782.97x = 14,704,404,391.83
  5. Step 5: Solve for x
    x = 14,704,404,391.83/137,782.97
  6. Step 6: Final answer
    x = 106,721.49

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