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Finding the Fourth Proportional to 118,309.70, 163,266.14 and 64,594.55

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Solution

The fourth proportional to 118,309.70, 163,266.14 and 64,594.55 is: 89,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,309.70 : 163,266.14 = 64,594.55 : x
  2. Step 2: Convert to fraction form
    118,309.70/163,266.14 = 64,594.55/x
  3. Step 3: Cross multiply
    118,309.70x = 163,266.14 × 64,594.55
  4. Step 4: Simplify right side
    118,309.70x = 10,546,102,188.69
  5. Step 5: Solve for x
    x = 10,546,102,188.69/118,309.70
  6. Step 6: Final answer
    x = 89,139.80

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