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Finding the Fourth Proportional to 118,550.40, 163,591.20 and 64,834.28

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Solution

The fourth proportional to 118,550.40, 163,591.20 and 64,834.28 is: 89,466.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,550.40 : 163,591.20 = 64,834.28 : x
  2. Step 2: Convert to fraction form
    118,550.40/163,591.20 = 64,834.28/x
  3. Step 3: Cross multiply
    118,550.40x = 163,591.20 × 64,834.28
  4. Step 4: Simplify right side
    118,550.40x = 10,606,317,666.34
  5. Step 5: Solve for x
    x = 10,606,317,666.34/118,550.40
  6. Step 6: Final answer
    x = 89,466.74

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