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Finding the Fourth Proportional to 137,885.77, 190,261.64 and 77,444.84

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Solution

The fourth proportional to 137,885.77, 190,261.64 and 77,444.84 is: 106,862.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,885.77 : 190,261.64 = 77,444.84 : x
  2. Step 2: Convert to fraction form
    137,885.77/190,261.64 = 77,444.84/x
  3. Step 3: Cross multiply
    137,885.77x = 190,261.64 × 77,444.84
  4. Step 4: Simplify right side
    137,885.77x = 14,734,782,267.94
  5. Step 5: Solve for x
    x = 14,734,782,267.94/137,885.77
  6. Step 6: Final answer
    x = 106,862.24

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