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Finding the Fourth Proportional to 118,366.65, 163,343.45 and 64,651.91

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Solution

The fourth proportional to 118,366.65, 163,343.45 and 64,651.91 is: 89,218.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,366.65 : 163,343.45 = 64,651.91 : x
  2. Step 2: Convert to fraction form
    118,366.65/163,343.45 = 64,651.91/x
  3. Step 3: Cross multiply
    118,366.65x = 163,343.45 × 64,651.91
  4. Step 4: Simplify right side
    118,366.65x = 10,560,465,373.40
  5. Step 5: Solve for x
    x = 10,560,465,373.40/118,366.65
  6. Step 6: Final answer
    x = 89,218.25

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