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Finding the Fourth Proportional to 104,421.85, 144,102.28 and 56,675.21

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Solution

The fourth proportional to 104,421.85, 144,102.28 and 56,675.21 is: 78,211.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,421.85 : 144,102.28 = 56,675.21 : x
  2. Step 2: Convert to fraction form
    104,421.85/144,102.28 = 56,675.21/x
  3. Step 3: Cross multiply
    104,421.85x = 144,102.28 × 56,675.21
  4. Step 4: Simplify right side
    104,421.85x = 8,167,026,980.48
  5. Step 5: Solve for x
    x = 8,167,026,980.48/104,421.85
  6. Step 6: Final answer
    x = 78,211.86

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