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Finding the Fourth Proportional to 107,471.85, 148,327.49 and 77,356.86

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Solution

The fourth proportional to 107,471.85, 148,327.49 and 77,356.86 is: 106,764.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,471.85 : 148,327.49 = 77,356.86 : x
  2. Step 2: Convert to fraction form
    107,471.85/148,327.49 = 77,356.86/x
  3. Step 3: Cross multiply
    107,471.85x = 148,327.49 × 77,356.86
  4. Step 4: Simplify right side
    107,471.85x = 11,474,147,749.66
  5. Step 5: Solve for x
    x = 11,474,147,749.66/107,471.85
  6. Step 6: Final answer
    x = 106,764.22

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