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Finding the Fourth Proportional to 154,657.36, 213,530 and 118,783.28

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Solution

The fourth proportional to 154,657.36, 213,530 and 118,783.28 is: 163,999.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,657.36 : 213,530 = 118,783.28 : x
  2. Step 2: Convert to fraction form
    154,657.36/213,530 = 118,783.28/x
  3. Step 3: Cross multiply
    154,657.36x = 213,530 × 118,783.28
  4. Step 4: Simplify right side
    154,657.36x = 25,363,793,778.40
  5. Step 5: Solve for x
    x = 25,363,793,778.40/154,657.36
  6. Step 6: Final answer
    x = 163,999.91

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