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Finding the Fourth Proportional to 101,379.60, 139,907.52 and 56,059.56

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Solution

The fourth proportional to 101,379.60, 139,907.52 and 56,059.56 is: 77,364.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,379.60 : 139,907.52 = 56,059.56 : x
  2. Step 2: Convert to fraction form
    101,379.60/139,907.52 = 56,059.56/x
  3. Step 3: Cross multiply
    101,379.60x = 139,907.52 × 56,059.56
  4. Step 4: Simplify right side
    101,379.60x = 7,843,154,011.89
  5. Step 5: Solve for x
    x = 7,843,154,011.89/101,379.60
  6. Step 6: Final answer
    x = 77,364.22

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