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Finding the Fourth Proportional to 104,090.74, 143,645.25 and 56,343.94

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Solution

The fourth proportional to 104,090.74, 143,645.25 and 56,343.94 is: 77,754.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,090.74 : 143,645.25 = 56,343.94 : x
  2. Step 2: Convert to fraction form
    104,090.74/143,645.25 = 56,343.94/x
  3. Step 3: Cross multiply
    104,090.74x = 143,645.25 × 56,343.94
  4. Step 4: Simplify right side
    104,090.74x = 8,093,539,347.29
  5. Step 5: Solve for x
    x = 8,093,539,347.29/104,090.74
  6. Step 6: Final answer
    x = 77,754.65

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