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Finding the Fourth Proportional to 107,697.81, 148,668.92 and 76,673.05

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Solution

The fourth proportional to 107,697.81, 148,668.92 and 76,673.05 is: 105,841.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,697.81 : 148,668.92 = 76,673.05 : x
  2. Step 2: Convert to fraction form
    107,697.81/148,668.92 = 76,673.05/x
  3. Step 3: Cross multiply
    107,697.81x = 148,668.92 × 76,673.05
  4. Step 4: Simplify right side
    107,697.81x = 11,398,899,536.61
  5. Step 5: Solve for x
    x = 11,398,899,536.61/107,697.81
  6. Step 6: Final answer
    x = 105,841.52

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