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Finding the Fourth Proportional to 104,556.40, 156,575.40 and 83,820.40

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Solution

The fourth proportional to 104,556.40, 156,575.40 and 83,820.40 is: 125,522.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,556.40 : 156,575.40 = 83,820.40 : x
  2. Step 2: Convert to fraction form
    104,556.40/156,575.40 = 83,820.40/x
  3. Step 3: Cross multiply
    104,556.40x = 156,575.40 × 83,820.40
  4. Step 4: Simplify right side
    104,556.40x = 13,124,212,658.16
  5. Step 5: Solve for x
    x = 13,124,212,658.16/104,556.40
  6. Step 6: Final answer
    x = 125,522.81

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