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Finding the Fourth Proportional to 117,637.80, 176,456.70 and 99,923.10

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Solution

The fourth proportional to 117,637.80, 176,456.70 and 99,923.10 is: 149,884.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,637.80 : 176,456.70 = 99,923.10 : x
  2. Step 2: Convert to fraction form
    117,637.80/176,456.70 = 99,923.10/x
  3. Step 3: Cross multiply
    117,637.80x = 176,456.70 × 99,923.10
  4. Step 4: Simplify right side
    117,637.80x = 17,632,100,479.77
  5. Step 5: Solve for x
    x = 17,632,100,479.77/117,637.80
  6. Step 6: Final answer
    x = 149,884.65

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