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Finding the Fourth Proportional to 118,012.56, 176,926.32 and 80,479.32

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Solution

The fourth proportional to 118,012.56, 176,926.32 and 80,479.32 is: 120,655.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,012.56 : 176,926.32 = 80,479.32 : x
  2. Step 2: Convert to fraction form
    118,012.56/176,926.32 = 80,479.32/x
  3. Step 3: Cross multiply
    118,012.56x = 176,926.32 × 80,479.32
  4. Step 4: Simplify right side
    118,012.56x = 14,238,909,923.70
  5. Step 5: Solve for x
    x = 14,238,909,923.70/118,012.56
  6. Step 6: Final answer
    x = 120,655.89

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