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Finding the Fourth Proportional to 147,224.68, 220,857.67 and 72,347.77

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Solution

The fourth proportional to 147,224.68, 220,857.67 and 72,347.77 is: 108,531.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,224.68 : 220,857.67 = 72,347.77 : x
  2. Step 2: Convert to fraction form
    147,224.68/220,857.67 = 72,347.77/x
  3. Step 3: Cross multiply
    147,224.68x = 220,857.67 × 72,347.77
  4. Step 4: Simplify right side
    147,224.68x = 15,978,559,911.90
  5. Step 5: Solve for x
    x = 15,978,559,911.90/147,224.68
  6. Step 6: Final answer
    x = 108,531.81

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