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Finding the Fourth Proportional to 118,023.68, 162,872.64 and 64,308.65

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Solution

The fourth proportional to 118,023.68, 162,872.64 and 64,308.65 is: 88,745.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,023.68 : 162,872.64 = 64,308.65 : x
  2. Step 2: Convert to fraction form
    118,023.68/162,872.64 = 64,308.65/x
  3. Step 3: Cross multiply
    118,023.68x = 162,872.64 × 64,308.65
  4. Step 4: Simplify right side
    118,023.68x = 10,474,119,462.53
  5. Step 5: Solve for x
    x = 10,474,119,462.53/118,023.68
  6. Step 6: Final answer
    x = 88,745.92

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