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Finding the Fourth Proportional to 145,735.76, 218,710.20 and 93,273.68

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Solution

The fourth proportional to 145,735.76, 218,710.20 and 93,273.68 is: 139,978.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,735.76 : 218,710.20 = 93,273.68 : x
  2. Step 2: Convert to fraction form
    145,735.76/218,710.20 = 93,273.68/x
  3. Step 3: Cross multiply
    145,735.76x = 218,710.20 × 93,273.68
  4. Step 4: Simplify right side
    145,735.76x = 20,399,905,207.54
  5. Step 5: Solve for x
    x = 20,399,905,207.54/145,735.76
  6. Step 6: Final answer
    x = 139,978.72

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