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Finding the Fourth Proportional to 185,743.60, 278,688.30 and 73,404.70

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Solution

The fourth proportional to 185,743.60, 278,688.30 and 73,404.70 is: 110,135.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,743.60 : 278,688.30 = 73,404.70 : x
  2. Step 2: Convert to fraction form
    185,743.60/278,688.30 = 73,404.70/x
  3. Step 3: Cross multiply
    185,743.60x = 278,688.30 × 73,404.70
  4. Step 4: Simplify right side
    185,743.60x = 20,457,031,055.01
  5. Step 5: Solve for x
    x = 20,457,031,055.01/185,743.60
  6. Step 6: Final answer
    x = 110,135.86

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