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Finding the Fourth Proportional to 101,740.20, 152,683.20 and 57,319.80

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Solution

The fourth proportional to 101,740.20, 152,683.20 and 57,319.80 is: 86,020.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,740.20 : 152,683.20 = 57,319.80 : x
  2. Step 2: Convert to fraction form
    101,740.20/152,683.20 = 57,319.80/x
  3. Step 3: Cross multiply
    101,740.20x = 152,683.20 × 57,319.80
  4. Step 4: Simplify right side
    101,740.20x = 8,751,770,487.36
  5. Step 5: Solve for x
    x = 8,751,770,487.36/101,740.20
  6. Step 6: Final answer
    x = 86,020.77

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