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Finding the Fourth Proportional to 118,243.65, 177,365.48 and 73,920.45

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Solution

The fourth proportional to 118,243.65, 177,365.48 and 73,920.45 is: 110,880.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,243.65 : 177,365.48 = 73,920.45 : x
  2. Step 2: Convert to fraction form
    118,243.65/177,365.48 = 73,920.45/x
  3. Step 3: Cross multiply
    118,243.65x = 177,365.48 × 73,920.45
  4. Step 4: Simplify right side
    118,243.65x = 13,110,935,726.46
  5. Step 5: Solve for x
    x = 13,110,935,726.46/118,243.65
  6. Step 6: Final answer
    x = 110,880.68

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