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Finding the Fourth Proportional to 118,072.80, 177,454.80 and 102,866.40

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Solution

The fourth proportional to 118,072.80, 177,454.80 and 102,866.40 is: 154,600.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,072.80 : 177,454.80 = 102,866.40 : x
  2. Step 2: Convert to fraction form
    118,072.80/177,454.80 = 102,866.40/x
  3. Step 3: Cross multiply
    118,072.80x = 177,454.80 × 102,866.40
  4. Step 4: Simplify right side
    118,072.80x = 18,254,136,438.72
  5. Step 5: Solve for x
    x = 18,254,136,438.72/118,072.80
  6. Step 6: Final answer
    x = 154,600.69

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