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Finding the Fourth Proportional to 160,403.86, 221,380.64 and 92,407.60

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Solution

The fourth proportional to 160,403.86, 221,380.64 and 92,407.60 is: 127,535.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,403.86 : 221,380.64 = 92,407.60 : x
  2. Step 2: Convert to fraction form
    160,403.86/221,380.64 = 92,407.60/x
  3. Step 3: Cross multiply
    160,403.86x = 221,380.64 × 92,407.60
  4. Step 4: Simplify right side
    160,403.86x = 20,457,254,309.87
  5. Step 5: Solve for x
    x = 20,457,254,309.87/160,403.86
  6. Step 6: Final answer
    x = 127,535.92

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