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Finding the Fourth Proportional to 107,777.51, 148,681.45 and 83,739.68

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Solution

The fourth proportional to 107,777.51, 148,681.45 and 83,739.68 is: 115,520.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,777.51 : 148,681.45 = 83,739.68 : x
  2. Step 2: Convert to fraction form
    107,777.51/148,681.45 = 83,739.68/x
  3. Step 3: Cross multiply
    107,777.51x = 148,681.45 × 83,739.68
  4. Step 4: Simplify right side
    107,777.51x = 12,450,536,835.59
  5. Step 5: Solve for x
    x = 12,450,536,835.59/107,777.51
  6. Step 6: Final answer
    x = 115,520.73

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