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Finding the Fourth Proportional to 104,250.76, 143,865.48 and 56,503.60

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Solution

The fourth proportional to 104,250.76, 143,865.48 and 56,503.60 is: 77,974.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,250.76 : 143,865.48 = 56,503.60 : x
  2. Step 2: Convert to fraction form
    104,250.76/143,865.48 = 56,503.60/x
  3. Step 3: Cross multiply
    104,250.76x = 143,865.48 × 56,503.60
  4. Step 4: Simplify right side
    104,250.76x = 8,128,917,535.73
  5. Step 5: Solve for x
    x = 8,128,917,535.73/104,250.76
  6. Step 6: Final answer
    x = 77,974.66

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