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Finding the Fourth Proportional to 169,995.60, 255,031.80 and 99,838.80

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Solution

The fourth proportional to 169,995.60, 255,031.80 and 99,838.80 is: 149,780.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,995.60 : 255,031.80 = 99,838.80 : x
  2. Step 2: Convert to fraction form
    169,995.60/255,031.80 = 99,838.80/x
  3. Step 3: Cross multiply
    169,995.60x = 255,031.80 × 99,838.80
  4. Step 4: Simplify right side
    169,995.60x = 25,462,068,873.84
  5. Step 5: Solve for x
    x = 25,462,068,873.84/169,995.60
  6. Step 6: Final answer
    x = 149,780.75

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