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Finding the Fourth Proportional to 128,692.16, 193,062.52 and 48,754.04

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Solution

The fourth proportional to 128,692.16, 193,062.52 and 48,754.04 is: 73,140.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,692.16 : 193,062.52 = 48,754.04 : x
  2. Step 2: Convert to fraction form
    128,692.16/193,062.52 = 48,754.04/x
  3. Step 3: Cross multiply
    128,692.16x = 193,062.52 × 48,754.04
  4. Step 4: Simplify right side
    128,692.16x = 9,412,577,822.58
  5. Step 5: Solve for x
    x = 9,412,577,822.58/128,692.16
  6. Step 6: Final answer
    x = 73,140.26

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