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Finding the Fourth Proportional to 107,174.40, 147,881.60 and 64,704.48

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Solution

The fourth proportional to 107,174.40, 147,881.60 and 64,704.48 is: 89,280.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,174.40 : 147,881.60 = 64,704.48 : x
  2. Step 2: Convert to fraction form
    107,174.40/147,881.60 = 64,704.48/x
  3. Step 3: Cross multiply
    107,174.40x = 147,881.60 × 64,704.48
  4. Step 4: Simplify right side
    107,174.40x = 9,568,602,029.57
  5. Step 5: Solve for x
    x = 9,568,602,029.57/107,174.40
  6. Step 6: Final answer
    x = 89,280.67

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