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Finding the Fourth Proportional to 107,660.61, 148,417.66 and 75,730.41

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Solution

The fourth proportional to 107,660.61, 148,417.66 and 75,730.41 is: 104,399.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,660.61 : 148,417.66 = 75,730.41 : x
  2. Step 2: Convert to fraction form
    107,660.61/148,417.66 = 75,730.41/x
  3. Step 3: Cross multiply
    107,660.61x = 148,417.66 × 75,730.41
  4. Step 4: Simplify right side
    107,660.61x = 11,239,730,243.04
  5. Step 5: Solve for x
    x = 11,239,730,243.04/107,660.61
  6. Step 6: Final answer
    x = 104,399.65

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