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Finding the Fourth Proportional to 183,810.60, 275,424.30 and 121,408.20

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Solution

The fourth proportional to 183,810.60, 275,424.30 and 121,408.20 is: 181,919.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,810.60 : 275,424.30 = 121,408.20 : x
  2. Step 2: Convert to fraction form
    183,810.60/275,424.30 = 121,408.20/x
  3. Step 3: Cross multiply
    183,810.60x = 275,424.30 × 121,408.20
  4. Step 4: Simplify right side
    183,810.60x = 33,438,768,499.26
  5. Step 5: Solve for x
    x = 33,438,768,499.26/183,810.60
  6. Step 6: Final answer
    x = 181,919.70

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