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Finding the Fourth Proportional to 104,567.40, 156,591.90 and 83,831.40

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Solution

The fourth proportional to 104,567.40, 156,591.90 and 83,831.40 is: 125,539.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,567.40 : 156,591.90 = 83,831.40 : x
  2. Step 2: Convert to fraction form
    104,567.40/156,591.90 = 83,831.40/x
  3. Step 3: Cross multiply
    104,567.40x = 156,591.90 × 83,831.40
  4. Step 4: Simplify right side
    104,567.40x = 13,127,318,205.66
  5. Step 5: Solve for x
    x = 13,127,318,205.66/104,567.40
  6. Step 6: Final answer
    x = 125,539.30

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