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Finding the Fourth Proportional to 115,667.40, 173,505.90 and 36,779.40

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Solution

The fourth proportional to 115,667.40, 173,505.90 and 36,779.40 is: 55,170.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,667.40 : 173,505.90 = 36,779.40 : x
  2. Step 2: Convert to fraction form
    115,667.40/173,505.90 = 36,779.40/x
  3. Step 3: Cross multiply
    115,667.40x = 173,505.90 × 36,779.40
  4. Step 4: Simplify right side
    115,667.40x = 6,381,442,898.46
  5. Step 5: Solve for x
    x = 6,381,442,898.46/115,667.40
  6. Step 6: Final answer
    x = 55,170.63

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